POLICY RESEARCH WORKING PAPER          - X
Is East Asia Less Open than
North America and the
European Economic
Community? No
Sumana Dhar
An'ind Pangaraiya
The World Bank
OEonomics Deparmnt
IT>enadonal Trade Division
Octber 1994



POLICY RESEARCH WORIONG PAPER 1370
Summary findings
To shed light on regional integration schemes in North  equations. In some cases, this difference is qualitative.
America and Europe (and on the alleged trading bloc in  Not surprisingly, in virtually all cases the cross-country
East Asia), Dhar and Panagariya explore the nature of  equation masks large differences among countries. The
bilateral trade relationships.                         coefficient associated wit!1 distance, for example, varies
Using the gravity model, they conduct an econometric    between -4.4 and -O.4 across the authors' equations. In
analysis of trade flows between major trading countries,    almost every case the coefficienc is statistically significant
They estimate bilateral trade flow equations using a data    at a confidence level of 95  percent or more.
set for 45 counrries over 12 years and then use those    * If there is an incra-regional bias in trade, it is more
equations to study the contribution of trading blocs to  in North America and among the founding members of
intra-regional trade.                                 the European Union than in East Asia. Canada, the
Past investigators have estimated the gravity equation  United States, and all countries of the EEC show an
using data for total trade, pooling data across countries.    intra-regional bias in both exports and imports. In East
Dhar and Panagariya estimate separate equations for the    Asia, on the other hand, exports in six out of nine
exports and imports of 22 countries (nine in East Asia,  countrics have a statistically significant bias away from
six in Europe, three in North America, two in South    intra-regional markets.
America, and one in Oceania).                            * There is little support for the hypothesis that East
Using 27 countries outside of North America, East    Asian markets are closed to trade with outside countries.
Asia, and the founding members of the European Union     * Contrary to conventional wisdom, controlling for
(EEC) as the control countries, Dhar and Panagariya test    other variables, many countrics export less to North
for each region's openness to trade with outside       America than to countries outside the three regions.
countries.                                             Similarly, countries outside the EEC export more to the
They conclude that:                                  EEC than to countries in the control group.
Results based on individual-country equations differ
greatly from those obtained from pooled, cross-country
This paper - a product of the International Trade Division, Internatonal Economics Department - is part of a study
funded by the Bank's Research Support Budget under the research project 'Understanding Bilateral Flows: An Application
to EastAsia" (RPO 677-86). Copies of this paer are available free from the World Bank, 1518 H StreetNW, Washington,
DC 20433. Please contact Jennifer Ngaine, room R2-054, extension 37959 (39 pages). October 1994.
The Polsiy Research torkbg Paper SLeot dismiates the fdings of worvk M prgess to encowge the exhange of ideas abou
develpment is   An objcfive of the series isto get thefidngs otquk, cevn if Ohepretadtionsare less than fuiy pdished The
paprs cay the gmes of tfheauws and osdd besadadciedacordigly. The fldgs    _ , and condcrons are the
aus' on and should not be attribdued to the Wodd Bank its Excutive Board of Drcos, or any of its mambo countries
Produced by the Policy Research Dissemination Center



Is East Asia Less Open than North America
and the European Economic Community?
No
Sumana Dhau
Arvind Panagariya*
* Dhar is with the In nal Trade Division, World Bank, and the Department of Econom-
ics, University of North Carolina, Chapel Hill P3nagarya is with the Center for Intemaional Econom-
ics, Department of Economics, Uniesity of Maryland, College Park. The authors tiank Paul
Armington, Aim Harrison, Lant Priwdet, Maurice Schiff and Sethaput Sudiiwart-Narueput for many
helpfbl suggestions on an earlier draft



Table of Contents
1.   Introduction                                                             1
2.    Rationale and Diagnostic Tests                                          5
3.    Estimation                                                             11
3.1   The Basic Equation                                               12
3.2  Introducing Regional Dummies: Is East Asia different?             15
3.3  Introducing the "Other Region" Effects                            19
4.    Conclusion                                                             22
References                                                             25
Tables                                                                 27



1.   Introduction
Paradoxically, both the revival of regional integration around the world and disintegration
of the CMEA and the Soviet Union have led to a renewal of interest in the gravity equation.
On the one hand, Krugman (6Y91), Frankel (1993) and Saxonhowse (1993) have applied the
model to study regional biases in international trade while, on the other, Collins and Rodrik
(1991), Havrylyshyn and Pritchett (1991), and Wang and Winters (1991) have used it to predict
post-reform trade flows of the countries in Eastern Europe and ex-Soviet Union.
Traditional theories of international trade focus almost exclusively on the determinants
of a country's exports and imports and do not address the issue of the direction of trade. As
such, theories which provide guidance on the determinants of direction of trade are virtually
nonexistent.1 Yet, in the context of regional integration schemes such as the European
Economic Community (EEC), European Free Trade Area (EFTA), North American Free Trade
Agreement (NAFTA) and the alleged East Asian trading bloc, an understanding of bilateral trade
relationships is critical-' Not surprisingly, because it forms the basis of econometric analysis
of bilateral trade flows, interest in the gravity equation has risen with the interest in regionalism.
The equation has yielded consistently better fits than any other empirical relationship in
'Perhaps the only paper which focuses on this question is the relatively recent paper by
Markusen (1986). Markusen constructs a model with three regions - two in the North and one
in the South - and neatly combines scale economies, product differentiation, non-homothetic
preferences and factor-endowment differences to generate a realistic pattern of trade. For
plausible configurations of factor-endowment differences, he shows that the regions in the North
must trade in differentiated products with each other and each of them must also export these
products to the South in return for homogeneous products. The model also predicts a larger
volume of trade between the two capital-abundant Northern regions than between each of them
and the South.
2 Countries of East Asia studied in this paper are listed in Appendix 1.
1



international trade literature.3
The gravity model was pioneered independently by Tinbergen (1962) and Poyhonen
(1963) and extended by Linneman (1966). The first two authors postulated that bilateral trade
flows are related positively to the GDPs of the trading countries and negatively to the distance
between them; the last included populations of the two countries as explanatory variables in the
model. Though the broad objective of the original authors was to identify the determinants of
bilateral trade flows, subsequent investigators have gone on to employ the model for at least
three additional purposes. First, the equation has been employed to test whether preferential
trading arrangements including free trade areas (FTAs) and customs unions (CUs) have a
statistically significant effect on bilateral trade flows. Second, the equation has been employed
to test the Linder hypothesis that trade in manufactres is more intense among rich countries
with similar per-capita incomes. Finally, the equation has been used to predict equilibrium trade
flows of formerly socialist countries in the post-reform era.
Aitken (1973) was the first one to test for the effects of regional arrangements on trade
flows. Introducing dumnmy variables for trading partners belonging to the same regional
grouping (EEC or EFTA), he found statistically significant effects of these arrangements. Later,
Thursby and Thursby (1987) and Bergstrand (1985, 1989) also included dummy variables for
the EEC and EFTA in their equations but obtained mixed results. More recently, as noted
above, Frankel (1992) and Saxonhouse (1993) have used the gravity equation to test whether
there is a de facto trading bloc in East Asia. The former uses Aitken's equation in a slightly
modified form and estimates it for total bilateral trade flows, while the latter introduces factor
3 For a sumunary of the empirical literature, see Deardorff (1984).
2



endowments into the equation and estimates it for several 3-digit SITC commodity groups. Both
reject the hypothesis of a trading bloc in East Asia.
The Linder hypothesis has been the main focus of the contributions by, inter alia,
Thursby an Thursby (1987), Balassa and Bauwens (1988), and Hanink (1990). All these studies
fmd strong support for the hypothesis that similar rich countries trade more intensively with each
other in manufactures than dissimilar ones. The use of the gravity equation for predicting trade
flows is of a more recent origin. Demise of the CMEA and the Soviet Union and a move
towards more liberal and outward oriented policies has meant that trade flows of these
economies will be drastically reoriented. Collins and Rodrik (1991), Havrylyshyn and Pritchett
(1991) and Wang and Winters (1991) have all applied gravity equations estimated for market
economies to predict trade flows of the countries in Eastern Europe and the ex-Soviet Union in
the post-reform equilibrium.
In this paper, we subject the gravity equation to a far more careful and detailed
econometric analysis than has been done to-date. We then re-examine the issues of regional
trading blocs using the esfimated equations.' In a companion paper, Dhar and Panagariya
(1994), we also examine the issue of prediction of trade flows using the gravity model.5
Purely in terms of the quality of estimation, we contribute to the literature in three
important ways. First, we work with a much larger data set than done by anyone so far.
Second, with the sole exception of Thursby and Thursby (1987), authors have pooled the data
4IFor a discussion of various policy issues relating to the regional option for East Asia, see
Panagariya (1993).
s Srinivasan and Canonero (1993) simulate the effects of preferential trading in the context
of South Asian countries.
3



for different countries and gone on to fit the same equation to trade flows of all countries in the
sample.6 Our statistical tests lead to an unequivocal rejection of the hypothesis that the
coefficients across countries are identical. Therefore, we estimate the equation separately for
each country and present 22 such cases in this paper. Finally, most investigators (e.g., Aitken,
Frankel, and Bergstrand) have estimated the equation using total trade rather than exports and
imports separately. We test the hypothesis of equality of coefficients for exports and imports
for all countries and overwhelmingly reject it. We then estimate separate equations for exports
and imports.
These methodological changes lead to a richer set of results than obtained so far. The
conclusions drawn from individual country equations are very different from those obtained from
traditional pooled, cross-country equations. In virtually all cases, not surprisingly, the cross-
country equation masks large differences across countries, even after inclusion of summary
measures for variation in policy and size. For example, the coefficient associated with distance
varies between -4.4 and -0.44 across equations.
Intra-regional bias in trade is to be found more in North America and the EEC than East
Asia. Canada, the U.S.A. and all countries in the EEC show intra-regional bias in exports as
well as imports. In East Asia, exports of 6 out of 9 countries have a statistically significant bias
away firom intra-regional markets. We also compare the openness of each of the three regions
with a control group of 27 countries outside North America, EEC and East Asia. Our results
6 Thursby and Thursby include several short-mn variables such as the exchange-rate
variability and prices in the equations. This mixing-up of short run and long run variables
inevitably influences their results. In this paper, we follow closely the pure gravity equation as,
for example, in Aitken (1973) and Frankel (1992) and include only the long-run variables.
4



do not support the hypothesis that East Asian markets are closed to outside countries. Cetris
paribus, for countries outside the EEC, exports to the EEC are larger than to countries in the
control group. Most surprisingly and contrary to the conventional wisdom, controlling for other
variables, exports to North America are less than to countries outside the three regions for all
EEC countries and Australia!
The paper is organized as follows. In Section 2, we discuss the basic gravity equation
and its rationale and report diagnostic tests performed to arrive at particular form(s) in which
we estimate it. In Section 3, we estimate the equation for a group of 22 countries and discuss
its implications. In Section 4, we make concluding remarks.
2.    Rationale and Diagnostic Tests
Gravitational force between two bodies is directly proportional to the mass of those
bodies and inversely proportional to the distance between them. By analogy, the gravity
equation postulates that bilateral trade flows are directly proportional to the mass of the two
nations (represented by their GDPsj and inversely proportional to the disance between them.
This basic relationship is often augmented by inclusion of other variables such as per-capita
GiDPs of the two countries, a durvay variable for a common border and other dumy variables
to represent memberships in different regional arrangements.' Because a key issue we wish to
address concerns the presence of regional trading blocs in Europe, North America, and East
7Rationale for the inclusion of price and exchange rate variables by Thursby and Thursby
(1987) and Bergstrand (1985, 1989) is derived from essentially partial equilibrium models.
Bergstrand lays out a general equilibrium model but then chooses not to solve for equilibrium
prices. As illustrated in Anderson (1979) and Markusen (1986), once we solve for prices, only
income or endowments variables should appear in the equation. This is particularly true if we
are interested in the determinant of long-run trade flows.
5



Asia, we can represent this relationship by
InTJ'  P0 + Pln(DISTANCFI4 + p2(BORDER) + P,In(GDPi)
+ p4n(GDP? + P5 In(FCGDP1) + Pln(PCGDPJ) + P7(EC6j)
(1)
+ P(NAj) + 39A) +
i  1..&, j  l... n; i o j; n, s n,.
where superscript i denotes the reporter country, j the partner country, na the total number of
reporter countries in the sample and nj the total number of partner countries. Traditionally, this
equation is estimated in natural logarithms of the variables. TJ stands for either the value of
exports from country i to country j or the value of imports into country i from country j or the
sum of the two (i.e., total value of trade between i and j). In the discussion below, we
frequently refer to i as the reporter country and to j as the partner country.
DISTANCE} denotes the distance between countries i and j and GD? and PCGDPi the
total and per-capita gross domestic product of country i, respectively. BORDIER and the last
three variables are dummy variables. The former equals 1 if i and j have a common border but
0 otherwise. EC6J takes a value of 1 if i and j are both in the EEC but 0 otherwise. NAj and
EA,J have a similar interpretation where the former stands for North America and the latter for
East Asia.8
Equation (1) does not have a strong theoretical foundation and the reasoning behind the
8 Unless otherwise noted, EEC (EC6) includes the original six members, NA comprises
Canada, USA and Mexico, and EA is defined to cover the ten countries in East Asia listed in
Appendix 1.
6



explanatory variables is largely intuitive.9 Distance is expected to have a negative coefficient
because transport costs rise and access to information may decline as distance rises. Controlling
for distance, adjacency (BORDER) is expected to contribute positively to trade because of
possibilities of border trade and cultural and linguistic ties which may not be picked up by
distance. This effect is not entirely unambiguous, however; if there is hostility between
neighboring nations, the effect may be the opposite. Controlling for per-capita GDP, GDPs are
thought to have a positive effect on the absolute level of trade and this can be shown with the
help of a multi-country, multi-good Ricardian model (Anderson 1979). It is possible (though
not plausible), however, for the reporter country's GDP to have a negative effect on the value
of its trade. For example, in the Heckscher-Ohlin model, if all factors expand proportionately
in the reporter country, the latter's per-capita GDP remains unaffected while the GDP rises.
If the e.asticity of foreign demand for the country's exports is sufficiently low, even though the
quantities of exports and imports rise, their value may decline.10 Per-capita incomes are
generally hypothesized to have a positive effect on trade because, controlling for the GDP, the
higher the per-capita income the greater the demand for differentiated products and the greater
the degree of specialization in production. Here again, the argument is not watertight.
According to the Linder hypothesis, trade expands with a reduction in differences in per-capita
incomes. This suggests opposite signs for per-capita incomes of the two countries." The last
9 A  post rationalizations of the gravity equation include Anderson (1979) and Bergstrand
(1985, 1989).
10 For more on this, see Thrsby and Thursby (1987) and Bergstrand (1985, 1989).
1 Thursby and Thursby (1987) postulate it by the absolute difference in per-capita incomes
of reporter and partner counties.
7



three dummy variables test for possible regional bias and are expected to have posidtve signs.
Frankel (1993) is the main author who uses the tradftional gravity equation to address
the issue of an East Asian trading bloc. The equation he employs is slightly different from ours,
To wit, he estimates the equation in the form
In?) .   + 0  acIaln(DISTANCEJB) . 2(BORDER) +   ln(GDP.GDPJ)
(1')
+ a4U(OCGDP.PC3DPj) + as(C6b + CcsLNAj) + �OAJ) + Uj
In effect, Frankel restricts equation (1) such that coefficients associated with the reporter- and
partner-country GDPs and those associated with the two per-capita GDPs are identical. Since
theory does not give a clear guidance on the signs of the reporter-country GDP and per-capita
GDP and our tests do not support the hypothesis of equality of coefficients between the two
GDPs and per-capita GDPs, we have chosen to report the results using the more flexible form
in (1).
Our data set includes annual data on 45 countries listed in Appendix 1 for years 1980-92.
The sample includes aIl the OECD countries, and all the countries with significant amount of
trade in East Asia, South Asia, and Latin America. We excluded the countries in Africa
primarily because the quality of data in that region is significantly poorer than elsewhere and
because the distance variable in that region does not capture the same factors as elsewhere due
to poor accessibility in general. We also excluded the countries in Eastern Europe and the
Soviet Union. Because the observed data for 1992 was incomplete at the time of writing, we
used it only to compare against the predictions from our estimated equations for that year (Dhar
and Panagariya, 1994).
8



We subject the data to tbree diagnostic tests. First, we tested for heteroskedasticity. We
rejected the hypothesis of no heteroskedasticity with the probability of 99.99% in all our tests.
Therefore, we applied the Huber-White correction to all our coefficients and test statistics.
Second, we formally tested the hypothesis of equality of coefficients across countries.
Equation (1) is traditionally estimated by pooling the data for all reporter countries for one or
more years. This amounts to the restriction that exports of, say, Venezuela, follow the same
relationship as exports of U.S.A. Because this seemed unlikely to us, we chose to test formally
the hypothesis that the coefficients in equation (1) are identical across countries.'2
Because the test is slightly tricky, it is useful to spell it out explicitly. The country
equation equivalent to (1) takes the fcrm
InST  =P' + P1In (DSTANC4) + P2(BORDER! + P4n(GDPt)
+ PhIn(GDPjt) +  Iln(PCGDP) + p(EC6j
(2)
+ K A) + PI4EA  + u
j = 1,... t = 1980,...1991; i *j.
The coefficients, distinguished by superscript i, are now country specific. The time subscript
is denoted by t.'3 In a country equation, there being only one reporter, the cross-country
1 At the minimum, one must control for country-specific fixed effects. If this is not done,
the regional dummies in (1) and (1') are likely to pick up country-specific effects rather than the
pure "regional" effect.
13 We can fix t to any particular year and still estimte (2) using 44 observations for a given
i. Allowing t to vary increases the degrees of freedom.
9



source of variation is absent.'4 Because the correlation coefficient between the reporter GDP
and per-capita income for most of the 22 countries for which we estimated the equations
exceeded 0.9, we have dropped PCGDPi as an explanatory variable in (2).
Returning to the test for pooling, recall that as defined, regional dummies take a value
of 1 if both the reporter and partner belong to the same region and 0 otierwise. Therefore, for
a given estimated equation, if the reporter (country i) does not belong to any of the three
regions, the last three variables are equal to zero. If i belongs to one of the regions, two of the
three dummy variables sfill take a value of zero.
These observations imply that in testing the hypothesis of equality of coefficients across
reporting countries, we must include the coefficient associated with a regional dummy only when
comparing two countries in the same region. In all other cases, the regional duy should be
excluded because either the dummy does not enter the equation (as in the case of counties not
belonging to any region) or the regional dummies in the two equations are different (as when
they belong to different regions).
To limit the number of cases, we chose to apply the test to exports from a total of 22
countries to 44 partner countries.15 The reporter countries include 9 countries from East Asia
(minus China). 3 from North America, 5 from the EEC (Belgium and Luxembourg appear as
one in the data) and 5 outside these regions.16 Even then, limiting the test to exports alone,
141In pooled cross-country data there is sufficient variation in population across counties
to rule out multicollinearity between the GDP and per-capita GDP.
I Countries listed in Appendix 1 are the 45 partners in trade.
16Focus on the issue of regional bias in trade made us include the major players in the three
regions. If regional effects prevail, they must exist in the original members of the EEC and the
major countries in Fast Asia and North America. Unfortunately, China was dropped from the
10



we have 231 pairs of countries to compare. We rejected the null hypothesis of the equality of
coefficients across countries in every one of these cases with 99.99% probability. Indeed, in
the majority of the cases, the much stronger hypothesis of equality of individual coefficients was
rejected with a 90% or higher probability.
Our final diagnostic test was with respect to the equality of coefficients across exports
and imports of a given country. We carried out this test for the 22 countries mentioned earlier
and rejected the null hypothesis that coefficients in the export and import equations are equal
with a probability of 99.99% in each case.
3.    Estination
Based on our diagnostic tests, we estimate separate export and import equations, without
PCGDP, for each of the 22 countries using the Huber-White correction. For purposes of
comparison, we also estimate the gravity equation by pooling data from these same 22 reporter
countries. The latter is presented at the bottom of Tables 1, 2 and 3. For brevity, we discuss
only the equations for exports in detil. Import equations are discussed only when the results
are different from those of export equations. Both export and import equations are presented
at the end of the paper.
3.1   The Bsasic Equation
We begin by estimating (2) in the simplest form, dropping all regional dummy variables
(Table 1A).  Measured by both the adjusted R2 and root mean square error (MSE), on the
average, country-specific equations give better fits than the pooled equation. For exports, in 16
list due to unavailability of data over the entire sample period. For comparison purposes, we
also included two countries in Latin America, one in South Asia, one in Europe and Australia
in our sample.
11



out of 22 cases, the country-specific equation does better on the basis of both the adjusted ii
or root MSE. In two additional cases, it does better on the basis of one of the two criteria.
Countries for which the adjusted R2 is lower and/or root MSE is higher than in the pooled
equation are Argentina, Mexico, Indonesia, Korea, Taiwan (China) and Singapore. Fits for fast-
growing countries of East Asia, particularly Korea and Singapore, and for Argentina and Mexico
are consistently poor. A large proportion of the variation in exports and imports of these
countries is not explained by the limited number of explanatory variables used in. our
regressions. Remarkably, fits for India are very good suggesting perhaps that though the
controls may have influenced the level of trade, the direction of trade was detemiined by
conventional variables.
Perhaps the most stiking point is that for countries in the EEC and Japan, the adjusted
R2 lies between 0.83 and 0.91. Thus, for these countries, both imports and exports are largely
explained by the smal number of variables included in our equation. Room for any regional
variables to add to the explanatory power is limited. One is almost tempted to reject the
hypothesis of major regional effects in these countries and terminate investigation at this point.
But this is perhaps hasty and unscientific.
Turning to individual coefficients, DISTANCE has a negative and statistically significant
coefficient (at 99% level) in 37 out of 44 cases.'7 This is not surprising in view of what is
already known from gravity equations estimated using pooled data. What is surprising is that,
'7Canada and U.S.A. are the only countries where the coefficient has a positive sign in both
export and import equations. But later, after we control for all regional effects (Tables 3A), the
coefficient of distance in all cases except Korea becomes positive and statistically significant.
The fit for Korea has been consistently poor with adjusted R2 lying between 0.28 and 0.5.
12



unlike the impression conveyed in the literature on the basis of pooled gravity equation (e.g.,
Anderson, 1979), the value of the coefficient varies considerably across individual countries and
differs from -1 (in most cases, even statistically significantly). For exports, the coefficient
ranges from -0.5 for Great Britain to -3.5 for Indonesia. In the pooled equations shown at the
bottom of Table 1A, the coefficient does turn out to be close to -1, with extremely high t-ratios.
Next, consider the coefficient of BORDER. A common conclusion from the pooled
gravity equation is that, controlling for distance, the presence of a common border contributes
positively to trade. This is borne out by both of our pooled equations. The coefficient is 0.35
for the export equation with t-ratios in excess of 3. But, as in the case of DISTANCE, the
common coefficient for all countries in the pooled equation hides substantial cross-country
differences.' Indeed, when estimated at the level of the country, in some cases, even the sign
of the coefficient switches- For example, in the case of India, as one will expect on the basis
of hostility between her and China and Pakistan, the coefficient is negative in both the export
and import equation. For reasons that are not entirely clear, a common border also contributes
negatively to the exports of Mexico, Thailand, Indonesia and Malaysia. For the latter two
countries, imports are also negatively related to common border. When positive, the actual size
of the coefficient varies considerably across countries. Tue coefficient is much smaller for the
EEC countries and has high t-ratios. This may be because trade with countries that have a
common border but do not belong to the EEC is not so intense.
GDPj or the partner country GDP has a positive impact (with very strong t-ratios) on
IS Australia, Japan, Korea, Taiwan and ffie Philippines do not have a common border with
any of the 45 countries in our data set.
13



both bilateral exports and imports of all countries considered. In the pooled equation for both
exports and imports, the coefficient has a value around 0.85. In country-specific equations the
coefficient varies between 1.4 and 0.5. Except for exports of Argentina and Mexico, PCGDPJ,
the per capita GDP of the partner country also has a positive and, in most cases, a statistically
significant effect on trade. This is consistent with the usual results from pooled regressions.
As noted before, GDP`, the reporter-country GDP, switches signs quite frequently across
countries when PCGD1", the reporter per-capita GDP, is also included in the equation. As our
results show, this problem is alleviated considerably once we drop per-capita GDP from the
equation. Only for Canada's exports does this variable have a negative and statistically
significant coefficient. In more than half of the cases -26 out of 44 - the sign is positive and
highly significant. This sign is far more stable than in Thursby and Thursby (1987).
3.2  hriJreducing Regional Dummies: Is East Asia different?
In Table 2A, we introduce the first set of dummies aimed at capuring regional effects
(equation 2). The question under investigation is whether East Asia exhibits significantly
different intra-regional characteristics from other countries trading within their own region.
EC6, EA and NA take the value of  when both the reporter and partner in a bilateral trade
relation belong to the EEC, East Asia and North America, respectively. If one or both partners
do not belong to these regions, the value is 0. For Argentina, Australia, Brazil, Great Britain
and India, estimated equations remain the same as in Table IA. For other countries, we have
one extra variable.
A critical issue in introducing the regional dummy is possible multicollinearity between
it and BORDER. We checked the correlation between these two variables for each individual
14



country and the group of 22 as a whole. For the cross-section of 22 countries, correlations
between BORDER on the one hand and EC6, EA and NA on the other are 0.34, 0.06 and 0.23,
respectively. For countries in North America, the correlation is 0.7 or more. In the case of the
United States, the two variables become identical. In the EEC, with the exception of Italy, the
correlation lies between 0.57 and 0.86. At the country level, the correlation is low only in East
Asia. There the correlation coefficient is 0.3 or lower (except for Malaysia where it is 0.53).
This implies that we cannot include both the regional dummy and BORDER as explanatory
variables, except in the cross-section equations, Italy and the countries in East Asia region.
We estimated (2) both with and without the BORDER dummy. We found that
differences in results even for countries with low correlation between this variable and the
relevant regional dummy, in terms of the adjusted RI and MSE were minimal1  Only
equations for Argentina and Brazil show a noticeable fall in explanatory power when BORDER
is dropped from the equation. Broadly, the importance of a common border diminishes once
we control for the common region.
For ease of comparison, we choose to present the results when BORDER is dropped as
an explanatory variable from all equations including the cross-section equation. The estimated
coefficients are shown in Table 2A.? Because the general sign pattern of the coefficients of
the original variables (included in Table 1A) does not change dramatically, in the following, we
'9 In the cross-section equation, we found that the coefficient of the EC6 dummy was
negative and stadtistcally insignificant when BORDER was included as an explanatory variable.
Curiously, in the country equations, EC6 has consistently positive and statisfically significant
coefficient irrespective of whether BORDER is included or not.
20 The estimates, corresponding to Table 2 and 3, where the estimator includes BORDER
as a dummy variable, are available from the authors.
15



limit the discussion primarily to regional dummies.
According to pooled equations, location of both the reporter and partner in East Asia and
EEC have a positive and statistically significant effect on exports and imports. For North
America, the positive effect is statistically significant only for imports. Coefficients for East
Asia are considerably larger in absolute value than those for North America or the EEC. For
exports the value is 0.74 compafed to 0.15 for EEC and 0.14 for NA (statistically insignificant).
Tn the case of intra-regional imports the coefficient is 1.28 for East Asia, 0.36 for EEC and 0.34
for NA. These results lend some support to claims of intra-regional bias in East Asia and an
absence of such a bias in North American trade.
-  The intra-regional bias shown in the cross-section equations is similar to that obtained
by Frankel (1993) for total trade.2' He finds the coefficients for the East Asian block as the
strongest and most significant at 1.84 and for the EEC at 0.4. The size of the coefficient for
Western Hemisphere is close to that for EEC and much smaller than that for East Asia.' The
high significance of dummies for especially open countries like Singapore and Hong Kong and
a dummy where at least one of the partners is located in East Asia, when introduced along with
the regional dummy for East Asia, provides evidence of the general openness of this region.
However, one needs to compare this openness to trade with that of other regions. Frankel also
21 The dummy variables in Frankel's analysis are comparable, though he uses different
geographical aggregates except for the EEC. His pooled equations are based on a larger number
of countries. The sample also differs because he uses the average of total trade over a three-
year period as the dependent variable, whereas we are working with annual export and import
data spanning over a 12-year period.
2 As in the export equation in Table 2, the NA coefficient is also insignificant in Frankel's
estimation. He overcomes it by extending that regional block to include the Lati Amencan
countries.
16



does not analyze the trading relations between the more-developed and less-developed partners
within East Asia, except for the case of Japan. We find that the pattern can be better analyzed
when the trade flow is disaggregated into country-specific exports and imports and through the
dummy variables defined in the next section.
The picture alters dramatically when we estimate the equation at the level of the country.
For the EEC, both for exports and imports, location of the partner in the same region has a
positive and statistically significant effect. The magnitude of the coefficient is uniformly larger
than that in the corresponding pooled equation and comparable to the coefficients on which we
based the claim of intra-regional bias in East Asian trade. These results contradict the common
belief that the coefficient in a pooled equation is a weighted average (with positive weights, of
course) of corresponding coefficients estimated from unpooled samples. Based on the pooled
equation, we will accept the hypothesis of low intra-regional bias in EEC trade, specially
exports. Iddividual country equations lead us to exactly the opposite conclusion.
For countries in East Asia, differences between results obtained from cross-section and
country equations are even more stark. In the country equations, the regional dummy tells a
afferent story for exports and iimports.=  In the export equation, the dummy is positive and
statistically significant for only three (Japan, Korea and Taiwan (China)) out of nine countries.
For the remaining six, the coefficient is negative and, in five cases, statistically significant at
23 Note that there is no contadiction between a positive intra-regional bias in exports and
a negative bias in imports or vice versa. Because trade is not balanced bilaterally, controlling
for other variables, Japan may export more to its East Asian partners than to outside countries
but import less from them than the latter. Also, a positive bias in intra-regional exports of one
country need not imply a positive bias in imports of another country. Indeed, in the absence of
balanced trade, it is even possible for all countries to have intra-regional bias in exports but not
in imports or vice versa.
17



95% or higher level of confidence. These results contradict the positive, large and statistically
highly significant coefficient of EA in the cross-section equation. On the import side, the story
from the pooled equation holds on the average. Broadly, the bias is larger for the more
developed economies of the region - Japan, Korea and Taiwan (China).
In North America the story is similar to that in the EEC for the developed countries but
not for Mexico. The regional effect as captured by the NA dummy is quite large and
statistically highly significant in both export and import equations of the U.S.A. and Canada.
In both cases the coefficients are far larger than those in the pooled equations. In the case of
Mexico for which fits have been generally poor, the coefficient of NA in the export equation
remains stubbornly negative.
To summanze, the results so far suggest an intra-regional bias in both exports and
imports in the EEC and North America. Contrary to popular claims, the bias is weaker in East
Asia than in the EEC and North America. On the export side, 6 out of 9 countries show a
negative bias which is statistically significant. On the import side, the positive bias being also
present in the ElEC and North America, is not peculiar to East Asia.
3.3  Introducing the "Other Region" Effects
So far, we have allowed for trade effects which are purely intra-regional. We did not
control for the bias arising from the location of a partner in another bloc, for example, the
effects on the exports of a North American country due to the location of a partner in the EEC
or East Asia. It may be argued that if East Asia or the EEC is a closed bloc, ceteris paribus,
the United States will be able to export less to countries in this region than to countries not
belonging to any bloc. Controlling for this bias, we can also compare intra-regional bias with
18



extra-regional bias. For example, we can consider the possibility that North America may be
more open than other regions to all countries or that East Asia may be closed to outside
countries. To capture such effects, we now introduce dummies for the three regions. Formally,
our equation now takes the form
hnTj, = I3 + P In (DISTANCEj1) + pi (BORDER) + P1 In(GDP)
+ PI ln(GDP,) + pbIn(PCDP) + Pi E6P1j)
(2')
+ PAj + P'(EAP  + u
j = 1,...n,, t = 1980,...1991; i j.
where we add a "P" at the end of the symbol for each regional dunmmy to distinguish it from the
corresponding dummy variable in (1). EC6P, EAP and NAP take the value of 1 when a
country's trade partner belongs to the EEC, East Asia and North America, respectively. If the
partner does not belong to the region, the value is 0. Note that the interpretation of the
coefficients of these dummy variables is different depending on whether the reporter also belongs
to a given region or not. When the reporter is in the same region, the dummy coincides with
that in the previous subsection and captures intra-regional effects. If the reporter country is
outside the region, the dummy measures the general openness of the region. For example, in
an East Asian country's equation, EAP measures intra-regional bias but in a North American
country's equation, it measures openness to outside countries. If intra-regional bias is present,
for a country located in East Asia, the coefficient of EAP dummy will be positive. If East Asia
is more open than other countries, the coefficient of EAP in equations of countries outside East
19



Asia will be positive.
As before, we estimated (2') both with and without the BORDER dummy and finding no
consistent favorite, discuss the latter in Table 3A.
The first point to note is that compared with Table 2A, the adjusted R2 in country-specific
equations is consistently higher in Table 3A. This means that the addition of partner dummies
increases the explanatory power of the model. Though the Table lA is not strictly comparable
to Tables 2A and 3A, due to the exclusion of BORDER, one can note the steady enhancement
of the explanatory power of the model from the fall in root MSE of the pooled equations.
Because the results of the dummies capturing intra-regional effects (i.e., the reporter lies in the
region represented by the dummy) remain qualitatively unchanged, in the following, we focus
on dummies capturing the effects of outside regions (i.e., when the reporter does not lie in the
region represented by the dummy).
Consider first the export equation. For countries outside East Asia, with the sole
exception of Mexico, EAP has a positive and statistically significant coefficient at well above
99% level of confidence. For countries outside the EEC, the same holds true for EC6P except
in the case of Japan and Singapore. For Japan, the coefficient is positive and statistically
significant at 95% level of confidence while for Singapore, it is negative and statistically
insignificant. For countries outside North America, the coefficient of NAP shows more
ambiguity. For four out of five countries in the EEC, NAP has a negative and statistically
significant coefficient at 99% level of confidence. The same also holds tue for Australia,
though not for countries in East Asia. In the latter case, the coefficient is positive and
statistically significant at 99% level of confidence for seven out of nine countries and negative
20



and statistically insignificant for the remaining two countries. In sum, controlling for other
variables, countries export more to East Asia and the EEC than to countries outside the three
regions represented in equation (2'). Countries in the EEC export less to North America than
to countries outside the three regions in the sample.
A closer examination of Table 3A reveals that for four out of five countries in the EEC,
the coefficient of EAP is larger than that of EC6P. In other words, relative to countries outside
the three regions, the bias in exports in favor of East Asia is larger than the intra-regional bias!
This also holds true for Canada. For U.S.A., the coefficient for EAP (1.32) is virtually the
same as for NAP (1.37), implying that the bias in favor of East Asia is not much less than intra-
regional bias. For the majority of countries in East Asia, the bias is the largest in favor of the
EEC. For Japan and Korea the intra-regional bias and for Taiwan (China) the bias in favor of
North America predominates, when compared with exports to countries outside the three
regions.
In the import equations we see some evidence supporting the hypothesis of a bias against
imports from North America. Oddly, the evidence points not at Japan or much of East Asia but
at the EEC. Relative to countries outside the three regions, there is a favorable bias for North
America but it is less than the intra-regional bias. The region that has -most to complain against
Japan and Korea is the EEC whose coefficient is negative.24
To conclude, for countries in the EEC, on the whole, the bias in both exports and
imports is positive when the partner is in the EEC or East Asia while it is negative when the
24Dhar and Panagariya 1994b presents a detailed discussion on the trade relations between
Japan and USA.
21



partner is in North America. In the export equation, except in the case of Italy, the coefficient
of EAP is consistently larger than that of EC6P, contradicting loudly the hypothesis that East
Asian markets are closed to outside countries. Oddly enough, it is in the case of North America
that exports show a negative and statistically significant bias for four of the five countries in the
EEC.
4.    Conclusion
Our findings can be summarized as follows. First, not surprisingly, the results based on
individual country equations are very different from those obtained from pooled, cross-country
equations. In some cases, the results are qualitatively different. A good example is the
coefficient associated with distance, which shows that bilateral trade does not respond uniformly
to the proximity of nations. In cross-country equations, our results are broadly in conformity
with the view of Anderson (1979) and others, that this coefficient is approximately equal to -
1." Yet, in individual-country equations, it ranges from -4.4 (Thailand, Table 2A) and -0.44
(Great Britain, Table IB). In virtually all cases the coefficient is statistically significant at 99%
or higher level of confidence.
Second, if there is intra-regional bias in trade, it is to be found more in North America
and the EEC than East Asia. This result, from country-specific equations, is broadly consistent
with that reached by Frankel (1993) from the pooled cross-country equation. All countries in
the EEC show intra-regional bias in exports as well as imports. The same holds true for the
United States and Canada. For 6 out of 9 countries in East Asia, exports have a statistically
25 In five out of six cross-country equations estimated by us, the coefficient lies between -
0.89 and -0.99. In the remaining case, it is -0.75.
22



significant bias away from intra-regional markets.
Third, we are able to go another step beyond Frankel by testing for the openness of each
region to outside countries. Out of the 45 countries in our sample, those outside North America,
EEC and East Asia, serve as the control countries. The openness of each of the three regions
can be compared with this control group. Our results do not support the hypothesis that East
Asian markets are closed to outside countries. For example, in the export equation of U.S.A.,
controlling for other variables, exports to East Asia are larger than to countries in the control
group. This conclusion holds true for all countries except Mexico.
Finally, in the same vein, we can consider the openness of the EEC and North America.
We find that, ceterisparibus, for countries outside the EEC, exports to the EEC are larger than
to countries in the control group (i.e., outside the three regions). For example, controlling for
other variables, exports of Indonesia to EEC countries are larger than to countries in the control
group. Most surprisingly and contrary to the conventional wisdom, for many countries, exports
to North America are less than to countries outside the three regions! This is true for all EEC
countries and Australia.
23



References
Aitken, N.D., 1973, "The Effect of the EEC and EFTA on European Trade: A Temporal
Cross-Section Analysis," American Economic Review, Vol. 63, No. 55, pp. 881-92.
Anderson, James E., 1979, "A Theoretical Foundation for the Gravity Equation," American
Economic Review Vol. 69, March, pp. 106-116.
Balassa, Bela and L. Bauwens, Changing Trade Patterns in Manufactured Goods: An
Econometric Investigation, Elsevier Science Publishers, Netherlands, 1988
Bergstrand, Jeffrey H., 1989, "The Generalized Gravity Equation, Monopolistic Competition,
and the Factor Proportions Theory in International Trade," Review of Economics and
Statistics, pp. 143-153.
Bergstrand, Jeffrey H., 1985, "The Gravity Equation in International Trade:  Some
Microeconomic Foundations and Empirical Evidence," The Review of Economics and
Statistics, Vol. 67, August, pp. 474-481.
Collins, Susan M. and Dani Rodrik, 1991, Eastern Europe and the Soviet Union in the World
Economy, pp. 1-69, Institute for Internationial Economics, Washington D.C.
Deardorff, Alan V., 1984, "Testing Trade Theories and Predicting Trade Flows", in R.W.
Jones and P.B. Kenen (eds.) Handbook of International Economics, Volume I, pp. 467-
517, Amsterdam: North-Holland Publishing Co.
Dhar, Sumana and Arvind Panagariya, 1994, "Predictions of Bilateral Trade and the Gravity
Equation", work in progress, International Trade Division, World Bank, Washington,
D.C.
Foroutan, Faezeh and Lant Pritchett, 1991, "Intra-Sub-Saharan African Trade: Is It Too Little?"
Journal of African Economies (forthcoming).
Frankel, Jeffery A., 1993, "Is Japan Creating a Yen Bloc in East Asia and the Pacific?," in J.A.
Frankel and M. Kahler (eds.) Regionalism and Rivalry: Japan and the United States in
Pacific Asia, Chicago: University of Chicago Press for NBER, pp. 53-87.
Hanink, Dean M., 1990, 'Linder, Again", Weltwirtschaftliches Archiv, Vol. 126, No. 2, pp.
257-267.
Havrylyshyn, 0. and L. Pritchett, 1991, "European Trade Patterns After the Transition," PRE
Working Paper Series 748, The World Bank, Washington, D.C.
Krugman, Paul' 1991, "The Move Toward Free Trade Zones", in Policy Implications of Trade
24



and Currency Zones, Federal Reserve Bank of Kansas, Jackson Hole, Wyoming, August.
Linder, Steftan B., 1961, An Essay on Trade and Transformation, New York.
Linnemann, Hans, 1966, An Econometric Study of International Trade Flows, Amsterdam:
North-Holland Publishing Co.
Markusen, James R., 1986, "Explaining the Volume of Trade: An Eclectic Approach,"
American Economic Review, Vol. 76, December, pp. 1002-1011.
Panagariya, Arvind, 1994, "East Asia: A New Trading Bloc?", Finance and Development, Vol.
31, No.1, March, Washington D.C.
Panagariya, Arvind, 1993, "Should East Asia Go Regional? No, No and Maybe", WPS 1209,
October. Policy Research Dept., The World Bank, Washington D.C.
Poyhonen, P., 1963, "A Tentative Model for the Volume of Trade between Countries",
Weltwirtschaftliches Archiv, Vol. 90, No. 1, pp. 93-100.
Saxonhouse, Gary R., 1992, "Pricing Strategies and Trading Blocs in East Asia," in J.A.
Frankel and M. Kahler (eds.) Regionalism and Rivalry: Japan and the United States in
Pacific Asia, Chicago: University of Chicago Press for NBER, pp. 89-124.
Saxonhouse, Gary R., 1993, "Trading Blocks and East Asia", in J. de Melo and A. Panagariya
(eds.) New Dimensions in Regional Integration, The World Bank, Washington D.C.
Srinivasan, T.N. and Gustavo Canonero, 1993, "Preferential Trade Arrangements: Estimating
the Effects on South Asian Countries", mimeo, The World Bank, Washington D.C.
Tinbergen, Jan, 1962, Shaping the World Economy: Suggestions for International Economic
Policy, New York.
Thursby, Jerry G., and Marie C. Thursby, 1987, "Bilateral Trade Flows, the Linder
Hypothesis, and the Exchange Risk," The Review of Economics and Statistics, August,
pp. 488-495.
Wang, Z.K. and L. Alan Winters, "The Trading Potential of Eastern Europe," 1991, mimeo,
Department of Economics, University of Birmingham, Birmingham.
25



APPENDIX I
The Countries are organized In alphabetic order of acronymns
according to Region
NAME               CODE ACRONYM  REGION
1 CHINA               156 CHN       EA
2 JAPAN               392 JPN       EA
3 INDONESIA           360 IDN       EA - ASEAN4
4 MALAYSIA            458 MYS       EA - ASEAN4
5 PHIUPPINES          608 PHL       EA - ASEAN4
6 THAILAND            764 THA       EA - ASEAN4
7 HONGKONG            344 HKG       EA- NIC
8 KOREA, RP           410 KOR       EA - NIC
9 TAIWAN (CHINA)     8961 OAN       EA - NIC
10 SINGAPORE           702 SGP       EA - NIC
11 BELGIUM-WXEMBOURG   56 BLX        EC6
12 GERMANY, FR         280 DEU       EC6
13 FRANCE              250 FRA       EC6
14 ITALY               380 ITA       EC6
15 NETHERLANDS         528 NLD       EC6
16 CANADA              124 CAN       NA
17 MEXICO              484 MEX       NA
18 USA                 840 USA       NA
CONTROL
19 DENMARK             208 DNK       EC9
20 UNITED KINGDOM      826 GBR       EC9
21 IRELAND             372 IRL       EC9
22 SPAIN               724 ESP       EC12
23 GREECE              300 GRC       EC12
24 PORTUGAL            620 PRT       EC12
25 AUSTRIA              40 AUT       EU
26 SWITZERLAND         756 CHE       EU
27 FINLAND             246 FIN       EU
28 NORWAY              578 NOR       EU
29 SWEDEN              752 SWE       EU
30 TURKEY              792 TUR       EU
31 ARGENTINA            32 ARG       LA
32 BOUVIA               68 BOL       LA
33 BRAZIL               76 BRA       LA
34 CHILE                152 CHL      LA
35 COLOMBIA            170 COL       LA
36 PERU                604 PER       LA
37 PARAGUAY            600 PRY       LA
38 URUGUAY             858 URY       LA
39 VENEZUELA           862 VEN       LA
40 AUSTRALIA            36 AUS       OCN
41 NEW ZEALAND         554 NZL       OCN
42 BANGLADESH           50 BGD       SA
43 INDIA               356 IND       SA
44 SRI LANKA           144 LKA       SA
45 PAKISTAN            586 PAK       SA
26



APPENDIX 2
Years:      1980-1992 with the provision to expand to 1958-1968 for the comparison with
EC.
Trade:      XJ (M'J ) - Average annual US dollar value of exports (imports) between each
reporter and partner for 1980-1992 from the COMTRADE database of UN
Statistical Organization, Geneva.
GDP:        GDPi, GDPj - GDP in US dollar of the reporter and partner for 1980-1992.
GDP per capita:   PCGDPi, PCGDPj - GDP per capita in US dollar of the reporter and
partner for 1980-1992.
*           Nominal GDP from the National Accounts database of the World Bank which
uses the Atlas Method. (Atlas Method - The data at current prices are converted
from the local currency to US dollars using a conversion factor other than the
official for each year, when the official exchange rate is greatly distorted.)
Populations of the reporter and partner for 1980-1992 from the IEC Social and
Demographic Indicators database were then used to obtain the nominal GDP per
capita
*           Real GDP per capita from the Summers Heston (1992) database for 1980-1988.
Populations of the reporter and partner for 1980-1988 from the same database
were then used to obtain the real GDP.
Size:       areai - Land area of the reporter in '000 sq. km. from the IEC Social and
Demographic Indicators database.
Distarce:   di - The straight-line distance between major ports of entry of reporter and
partner from Linneman (1966).
BORDER:  b', - Dummy = 1 if the countries i and j share a common border, 0 otherwise.
Regional Arrangements:  EC6, EA, NA - Dummy = 1 if both reporter and partner are
members of a regional block, 0 otherwise.
EC6P, EAP, NAP - Dummy = 1 if partner is a member of a
regional block, 0 otherwise.
27



TABLE I A: GRAVITY MODEL OF BILATERAL TRADE
BEFORE THE INTRODUCTION OF REGIONAL DUMMIES"
LHS VARIABLE: LOG OF TOTAL EXPORTS *
REPORTER         CONST   LGDP I  LGDP J LPCGDPj LDIST  BORDER ADJ R2 RT MSE
COUNTRY (I)
Countrles In EA
HONG KONG          1.073    0.061    0.614    0.648   -0.884    1.766   0.69  1.165
0.45     0.43    13.33    15.10   -14.12     5.69
INDONESIA        -24.421    1.835    1.401    0.636   -3.504   -3.829   0.75  1.871
-2.14    2.91    20.34     7.62   -26.76   -14.00
JAPAN              8.164    0.114    0.695    0.279   -1.308       0   0.85  0.617
5.69     1.79    26.51    12.36   -31.81
KOREA            -13.726    0.740    0.396    0.577   -0.033       0   0.28  2.128
-3.60    4.16     4.19     5.13    -0.14
MALAYSIA          4.862    0.666    1.124    0.198   -2.095   -1.943   0.81  1.122
-1.23    2.88    27.88     5.24   -29.71    -5.63
TAIWAN (CHINA)   -10.562    0.821    0.323    0.819   -0.627       0   0.37  1.980
-3.23    4.98     3.29     7.53    -3.76
PHILIPPINES       15.881   -0.883    1.044    0.697   -1.865       0   0.73  1.538
1.83    -1.76    18.07    10.79   -18.80
SINGAPORE         -6.793    0.305    0.925    0.357   -0.809    1.959   0.35  2.493
-1.08    0.95    14.26     4.40    -2.09     1.21
THAILAND          -9.139    1.094    1.068    0.716   -2.942   -0.454   0.76  1.584
-2.95    6.22    22.92    13.63   -27.38    -2.27
Countries In NA
CANADA            -2.415   -0.250    0.965    0.004    0.228    2.526   0.82  0.745
-0.92    -2.03    34.28    0.16     2.20    11.88
MEXJCO            18.289   -0.263    1.232   -0.119   -2.865   -1.161   0.52  2.142
2.31    -0.66    19.24    -1.90   -14.44    -3.75
USA               -0.276   -0.069    0.750    0.133    0.171    2.003   0.75  0.736
-0.09    -0.52    31.48    4.07     1.59    11.53
28



TABLE IA: CONTINUED
REPORTER        CONST   LGDP I  LGDP I LPCGDPj LDIST  BORDER ADJ R2 RT MSE
COUNTRY (I)
Countries in EC6
BELGIUM-LUX       -2.925    0.327    0.785    0.063   -0.706    0.546   0.86  0.741
-1.53    3.13    25.94    1.69   -20.51     6.08
WEST GERMANY    -2.687    0.359    0.724    0.149   -0.622    0.264   0.91  0.537
-1.55    4.27    35.78    5.78   -20.78     3.55
FRANCE           -2.068    0.316    0.722    0.092   -0.639    0.551   0.91  0.534
-1.33    4.06    35.53    3.62   -21.68     8.76
ITALY             -3.347    0.334    0.757    0.279   -0.789   -0.336   0.89  0.597
-2.43    5.22    34.98    10.98   -17.34    -3.10
NETHERLANDS       3.723    0.083    0.653    0.157   -0.742    0.714   0.87  0.687
1.92    0.80    26.67     5.62   -27.43    10.45
Countries outside regional groups
ARGENTINA         -5.912    0.487    0.868   -0.116   -0.844    1.739   0.46  1.423
-2.06    3.44    19.05    -2.14    -6.65    5.68
AUSTRALIA        15.673    0.024    1.270    0.214   -3.350       0   0.74  1.327
3.44    0.10    24.39     4.88   -24.55
BRAZIL            2.204    0.095    0.792    0.065   -0.809    1.152   0.69  0.815
0.84    0.73    27.57     1.90    -7.77    6.72
GREAT BRITAIN     0.023    0.187    0.642    0.261   -0.516    1.443   0.76  0.859
0.01    1.45    22.88     6.84   -13.22    15.30
INDIA            -0.122    0.622    0.848    0.708   -2.648   -0.871   0.80  1.031
-0.02    2.27    23.33    14.70   -32.98    -2.67
* Variables with prefix 'L' are in log form. All others are dummy variables.
Sample period is 1980-91. No. of obvs. (N) is 527, except PHL 439, DEU and IND 484.
t-ratios are given below the coefficients.
** N=11419
POOLED       -12.379    0.831    0.837    0.174   -0.987    0.349   0.59  1.781
EQUATION       -27.64    72.22    55.60   9.58   -29.89     3.72
SOURCE: UN COMTRADE Database
29



TABLE 1 B: GRAVITY MODEL OF BILATERAL TRADE
BEFORE THE INTRODUCTION OF REGIONAL DUMMIES**
LHS VARIABLE: LOG OF TOTAL IMPORTS *
REPORTER         CONST   LGDP I  LGDP j LPCGDP   LDIST  BORDER ADJ R2 RT MSE
COUNTRY (I)
Countries In EA
HONG KONG         -5.486    0.472    0.935    0.598   -1.574    0.913   0.76  1.347
-1.96    2.81    17.24    10.70   -22.06     3.99
INDONESIA        -22.229    1.207    1.342    0.672   -2.255   -1.875   0.75  1.600
-2.22    2.21    24.69    14.45   -20.28    -7.51
JAPAN              2.743    0.250    0.858    0.145   -1.293       0   0.77  0.861
1.37    2.80    30.72      4.01   -19.84
KOREA            -16.656    0.594    0.627    0.762   -0.082       0   0.39  2.280
-4.13    3.12     6.71     7.06    -0.35
MALAYSIA          -8.686    0.697    0.954    0.476   -1.644   -0.478   0.59  1.547
-1.61    2.19    20.73    11.30   -15.56    -1.49
TAIWAN (CHINA)  -14.281    0.732    0.512    0.874   -0.513        0   0.42  2.090
-4.08    4.03     5.43     8.03    -3.10
PHIUPPINES        -9.121    0.450    1.116    0.855   -1.930       0   0.66  2.033
-0.82    0.69    19.91    10.43   -18.02
SINGAPORE        -10.290    0.310    1.005    0.600   -0.840    2.373   0.45  2.377
-1.73    1.03    16.68     8.25    -2.30     1.55
THAILAND          -6.534    0.550    1.203    0.631   -2.281    0.436   0.77  1.455
-2.06    3.24    21.37    13.57   -21.07     2.79
Countries In NA
CANADA           -13.782    0.333    0.877    0.298    0.107    1.977   0.78  0.910
-4.19    2.00    24.75     8.80     0.85     7.84
MEXICO           -26.801    1.385    0.821    0.383   -0.867    1.422   0.46  2.024
-3.57    3.68    17.62     7.61    -4.25     5.20
USA              -15.556    0.428    0.829    0.144    0.508    2.471   0.71  0.880
-4.18    2.52    28.25     3.73     3.53    11.06
30



TABLE I1B: CONTINUED
REPORTER        CONST   LGDP I  LGDP J LPCGDP j LDIST  BORDER ADJ R2 RT MSE
COUNTRY (I)
Countries In EC6
BELGIUM-LUX       -4.399    0.383    0.663    0.188   -0.489    1.165   0.90  0.559
-0.20    5.01    31.16    8.67   -19.81    12.30
WEST GERMANY    -3.105    0.322    0.671    0.270   -0.489    0.228   0.86  0.658
-1.52    3.18    29.64    8.26   -13.50     2.88
FRANCE            -4.829    0.370    0.693    0.237   -0.494    0.522   0.91  0.521
-3.20    5.23    42.52    10.26   -19.23    6.63
ITALY             -2.148    0.255    0.754    0.213   -0.653   -0.166   0.88  0.601
-1.51    3.86    35.09    10.63   -18.04    -1.61
NETHERLANDS       -2.811    0.226    0.689    0.235   -0.395    1.219   0.83  0.735
-1.38    2.10    27.62    7.72   -12.53    13.68
Countrles outside regional groups
ARGENTINA         -5.183   -0.120    0.740    0.693   -0.278    4.173   0.53  1.788
-1.49    -0.68    13.47    10.26    -1.40   9.17
AUSTRALIA        10.809   -0.087    1.124    0.583   -2.575       0   0.70  1.401
2.38    -0.37    21.53    14.78   -19.73
BRAZIL           -4.425    0.378    1.005    0.312   -1.507    1.490   0.58  1.560
-1.01    1.72    17.92    4.07    -8.96     4.79
GREAT BRITAIN    -3.621    0.265    0.670    0.398   -0.445    1.174   0.75  0.957
-1.26    1.77    21.25    12.36   -11.75    12.83
INDIA            -1.028    0.091    1.302    0.514   -2.087   -1.251   0.73  1.460
-0.13    0.23    20.69    7.63   -12.66    -4.73
* Variables with prefix 'L are in log form. All others are dummy variables.
Sample period is 1980-91. No. of obvs. is 527, except IND 439, PHL and DEU 484.
The t-ratios are given below the coefficients.
** N = 11419
POOLED       -14.738    0.829    0.867    0.321   -0.910    0.326   0.64  1.803
EQUATION       -32.87    70.19    58.42    17.84   -28.18   3.40
SOURCE: UN COMTRADE Database
31



TABLE 2A: GRAVITY MODEL OF BILATERAL TRADE
DUMMIES: REPORTER AND PARTNER COUNTRIES ARE BOTH IN THE REGION **
WrrHOUT DUMMY FOR COMMON BORDER
LHS VARIABLE: LOG OF TOTAL EXPORTS
REPORTER           CONST    LGDP I   LGDP j  LPCGDP J  LOIST    EC6    EA            NA   ADJ R2 RT MSE
COUNTRY 0)
Countries In EA
HONG KONG             4.293     0.W46     0.651     0.633    -1.271     0  -0.835       0    0.66   1.178
1.64      0.32     14.20     13.88    -10.25          -3.17
INDONESIA           -25.084     1.B19     1.455     0.596    -3.458     0  -0.701       0    0.73   1.932
-217      2.83     22.32      7.26    -16.77          -2.15
JAPAN                 3.574     0.115     0.718     0.251    -0.830     0   0.927       0    0.86   0.587
2.42      1.93     28.55     12.58    -13.25          8.08
KOREA               -25.209     0.742     0.476     0.480     1.141     0   2.816       0    0.33   2.048
4.98      4.34      5.68      4.79      2.56           4.95
MALAYSIA             -7.554     0.665     1.160     0.161    -1.B22     0  -0.306       0    0.79   1.173
-1.80     0.74     27.87      4.18    -19.91          -1.70
TAIWAN (CHINA)      -14.593     0.834     0.335     0.774     0.191     0   1.068       0    0.38   1.971
-3.67     5.07      3.48      7.57     -0.66           2.57
PHIUPPINES           16.393    -0.889     1.045     0.701    -1.915     0  -0.118       0    0.73   1.539
1.85     -1.77     18.09     10.82     -9.30          -0.31
SINGAPORE            -1.732     0.274     0.919     0.424    -1.363     0  -0.960       D    0.35   2490
-0.31     0.86     12.42      4.76      -6.71         -2.96
THAILAND              4.145     1.007     1.110     0.826    -4.410     0  -2.958       0    0.80   1.455
1.2B      5.89     25.74     16.63    -24.16         -11.83
Countries In NA
CANADA                0.11 B    -0.250    0.993    -0.035    -0.099     0       0   0.859    0.80   0.782
0.04     -1.90     36.12     -1.15     -0.93                  3.48
MEXICO               17.857    -0.260     1.211    -0.104    -2-792     0       0  -0.490    0.52   2145
2.26     -0.65     19.77     -1.68    -14.96                 -1.98
USA                  -0.276    -0.069     0.750     0.133     0.171     0       0   2.004    0.75   0.736
-0.09    -0.52     31.48      4.07       1.59                 11.53
32



TABLE 2A: CONTINUED
REPORTER           CONST    LGDPI   LGDPJ  LPCGDPj  LDIST    EC6    EA                NA  ADJ 2 RT MSE
COUNTRY (I)
Countries In EC6
BELGIUM-LUX          -3.034     0.337     0.768    0.06o1     -0.685  0.699      0       0    0.87   0.731
-1.61     3.25     24.75       1.85    -21.78   9.42
WESTGERMANY          -2.472     0.365     0.711      0.156    -0.639  0.314      0       0    0.91   0.535
-1.44     4.35     33.99       5.94    -24.24   4.60
FRANCE               -1.882     0.313     0.727      0.093    -0.662  0.463      0       0    0.91   0.541
-1.20     3.98     35.35       3.56    -21.95   6.48
ITALY                4.317      0.357     0.728     0.272    -0.691  0.663       0       0    0.90   0.577
-3.34     5.84     34.80      10.78    -21.16  10.88
NETHERLANDS           3.592     0.099     0.627      0.164    -0.713  0.734      0       0    0.88   0.678
1.871     0.950    24.286     5.916   -26.861  9.740
Countries outside regional groups
ARGENTINA             0.223     0.524     0.858    -0.184    -1.513      0       0       0    0.44   1.452
0.08      3.62     17.95     -3.55    -21.75
AUSTRALA             15.673     0.024     1.270      0.214    -3350      0       0       0    0.74   1.327
3.44      0.10     24.39      4.88    -24.55
BRAZIL                6.979     0.173     0.759    -0.005    -1.373      0       0       0    0.65   0.859
2.60      1.28     23.97     -0.17    -19.49
GREAT BRITAIN         0.695     0.219     0.614      0.251    -0.600     0       0       0    0.75   0.B80
0.27      1.66     21.41      6.48    -14.79
INDIA                -0.389     0.584     0.802      0.802    -2.529     0       0       0    0.80   1.043
-0.07     210       24.43     18.84    -24.06
* Variables with prefix 'L' are in log form. All others are dummy variables.
Sample period is 1980-91. No. of obvs. (N) is 527, except PHL 439, DEU & IND 484
t-ratios are given below the coefficients.
N =11419
POOLED         -13.615     0.864     0.825      0.200    -0.918  0.153   0.740   0.143    0.59   1.774
EQUATION         -36.16     77.66     53.26      11.49    -37.26   2.02   10.55    1.73
SOURCE: UN COMTRADE Database
33



TABLE 25: GRAVITY MODEL OF BILATERAL TRADE
DUMMIES: REPORTER AND PARTNER COUNTRIES ARE BOTH IN THE REGION **
WITHOUT DUMMY FOR COMMON BORDER
LHS VARIABLE: LOG OF TOTAL IMPORTS'
REPORTER            CONST    LGDPI   LGDPj  LPCGDPI   LDIST    EC6    EA                 NA  ADJ R2 RT MSE
COUNTRY (0
Countries In EA
HONG KONG             -6.456     0.478      0.967      0.552     -1.498     0   0,295      0    0.76   1.351
-2.13      2.82     19.56      10.14     -11.65           1.08
INDONESIA            -26.874     1.251      1.336      0.638     -1.786     0   0.675      0    0.75   1.611
-2.66      2.29     23.38      13.55     -10.14           2.79
JAPAN                 4.581       0.253     0.894      0.099     -0.531     0   1.479      0    0.80   0.806
-2,11      3.01     32.42       2.29      -4.17           7.25
KOREA                -34.812     0.597      0.754      0.609     1.774      0   4.452      0    0.49   2.087
-7.23      3.38      9.33       6.59       4.35           8.28
MALAYSIA             -12993      0.744      0.911      0.474     -1.171     0   1.160      0    0.67   1.520
-2.45      2.40     18.75      12.22     -11.25           7.44
TAIWAN (CHINA)       -24.915      0.766     0.542      0.756     0.638      0   2.818      0    0.46   2.018
-6.24      4.34      5.97       7.43       2.27           6.98
PHILIPPINES          -15.726     0.517      1.114      0.811     -1.286     0   1.541      0    0.66   2.014
-1.41      0.80     19.60      10.62      -5.80           3.48
SINGAPORE             -7.745      0.299     0.953      0.684     -1.081     0   0.122      0    0.45   2391
-1.47      0.98   13s58         802       -5.28           0.40
THAILAND              -1.237      0.519     1.210      0.680     -2.860     0   -1.065     0    0.78   1.438
-0.37      3.07     21.59      14.30     -13.82          -4.02
Countries In NA
CANADA               -13.448      0.328     0.874      0.311     0.075      0       0  1.497    0.78   0.901
-4.17      1.98     25.56       9.49       0.68                  8.54
MEXICO               -26.601      1.3B7     0.834      0.367     -0.905     0       0  0.895    0.46   2.025
-3.55      3.8      18.50       7.44      4.59                   4.20
USA                  -15.556      0.428     0.830      0.145     0.509      0       0  2.472    0.71   0.80
4.18       2.52     28.25       3.73       3.55                 11.06
34



TABLE 2B: CONTINUED
REPORTER           CONST    LGDP I   LGDP J  LPCGDP J  LDIST    EC6    EA    NA  ADJ R2 RT MSE
COUNTRY (0
Countries In EC6
BELGIUM-LUX          -4.222    0.397     0.650    0.1804    -0.506  1.029     0      0    0.90   0.556
-3.08     5.20     29.58      8.32    -21.13  11.91
WEST GERMANY         -3.213    0.330     0.647     0.287    -0.459  0.600     0      0    0.86   0.645
-1.61     3.30     27.07      8.65    -15.05   9.00
FRANCE               -5.067    0.372     0.685     0.249    -0.460  0.604     0      0    0.92   0.505
-3.45     5.39     42.03     10.82    -18.53  12.44
ITALY                -3.291    0.298     0.705     0.201    -0.513  1.172     0      0    0.91   0.522
-2.70     5.16     35.27     10.83    -25.84  21.30
NETHERLANDS          -2.362    0.241     0.677     0.220    -0.442  0.559     0      0    0.02   0.754
-1.130    2.174    25.143     7.323   -13.824  5.297
Countries outside regional groups
ARGENTINA            9.537    -0.031     0.714     0.530    -1.882     0       0     0    0.46   1.920
2.69    -0.17     10.96      8.14    -17.97
AUSTRALIA            10.809    -0.087    1.124     0.583    -2.575     0       0     0    0.70   1.401
2.38     -0.37    21.53     14.78    -19.73
BRAZIL               1.749     0.479     0.962     0.220    -2.238     0      0      0    0.56   1.598
0.40     2.12     16.77      3.02    -21.50
GREAT BRITAIN       -3.075     0.291     0.648     0.390    -0.513     0      0      0    0.75   0.969
-1.05     1.92     20.46     11.99    -13.35
INDIA               -1.405     0.036     1.235     0.650    -1.916     0      0      0    0.73   1.476
-0.18     0.09     20.61     10.55    -11.90
'Variables with prefix 'L' are in log form. All others are dummy variables.
Sample period is 1980-91. No. of obvs. (N) is 527, except IND 439, PHL & DEU 484.
The t-ratios are given below the coefficients.
N = 11419
POOLED         -17.193    0.865    0.843      0.365    -0.751  0.362   1.283  0.343    0.62   1.780
EQUATION         -44.71    77.39     55.30     21.26    -30.65   4.79   19.52   3.70
SOURCE: UN COMTRADE Database
35



TABLE MA: GRAVITY MODEL OF BILATERAL TRADE
DUMMIES: ONLY PARTNER COUNTRY IS IN THE REGION*'
WITHOUT DUMMY FOR COMMON BORDER
LH8 VARIABLE: LOG OF TOTAL EXPORTS'
REPORTER          CONST   LODP I   LGDP J  LPCGDP I  LDI9T    ECOP    EAP            NAP  ADJ R2 RT MBE
COUNTRY (I)
Countrles In EA
HONG KONG            4.910    0.109     0.561     0.627    -1.294    0.670   -0.727    0.679    0.69   1.161
1.90     0.77     10.43     14.12    -10.65    4.34    -2.93    2.84
INDONESIA          -26.994    2.066     1,296     0.569    3.440    1.333   -0.391    1.178    0.74   1.994
-2.38     3.27     17.41     7.10    -16.48    5.68    -1.22     5.51
JAPAN                3.531    0.139     0.677     0.245    0.803    0.192    1.010    0.3B7    0.86   0.582
2.40     2.37     24.35     12-44    -1239     1.86     8.49    3.26
KOREA              -24.272    0.802     0.345     0.484    1,151    0.423    3.033    1.568    0.35   2.023
-4.88     4.73     3.55      4.77      2.58    2.77     5.20     5.11
MALAYSIA            -8.319    0.742     1.119     0.134    -1.790    0.767   -0.164   -0.130    0.80   1.152
-2.02     3.10    22.20      3.62    -19.59    4.03    -0.88    -0.72
TAIWAN (CHINA)    -12.792     0.937     0.130     0.767    -0.215    1.132    1.356    1.987   0.41   1.915
-3.38     5.77      1.22     7.56     -076      7.84    3.19     6.47
PHILUPPINES         14.150    -0.602    0.907     0.671    -1.942    1.306    0.090    0.858    0.75   1.498
1.65     -1.23    12.72     10.66     -9.44    5.93     0.25    3.29
SINGAPORE           -1.903    0.266     0.936     0.419    -1.357   -0.003   -0.977   -0.241    0.35   2.494
-0.35     0.62     10.97     4.66     -6.67    -0.02    -2.67    -1.32
THAILAND             3.800     1.109    1.007     0.752     4.350    1.316   -2.667    0.330    0.81   1.412
1.22     6.74     19.09     16.63    -24.51    5.81   -10.94    1.27
Countries In NA
CANADA               4.645    -0.159    0.899    -0.044    -0.653    D.187    0.985    0.722    0.84   0.702
1.96     -1.37    33.43     -1.54     -5.52    1.64    12.67    3.58
MEXICO              16.455    -0.231    1.195    -0.138    -2628    0.439   -0.360   -0.295    0.52   2.139
2i10     -0.58    16.50     -1.85    -15.63    2.66    -0.98    -1.05
USA                  5,533    0.055     0.638     0.109    -0.604    0.471    1.315    1.368   0.84   0.586
2.27     0.53     27.86      4.07     -.10     5.33    17.51    9.28
36



TABLE 3A: CONTINUED
REPORTER          CONST   LGDP I   LGDP j  LPCGDP j  LDIST    EC6P    EAP          NAP  AWI R2 RT MSE
COUNTRY (I)
Countrles In EC6
BELGIUM-LLrX       -1.926     0.346    0.762    0.060    -0.839   0.494   0.801   -0.381    0.89  0.656
-1.15     3.75    20.95      1.75    -29.13    6.38    8.65    -3.40
WEST GERMANY       -1.706     0.364    0.715    0.151    0.749    0.176   0.599   -0.374   0.93  0.470
-1.15     5.02    32.98      6.99    -26.31   2.43    9.72    -4.09
FRANCE             -0.825     0.339    0.699    0.084    -0.807   0.319   0.660   -0.008   0.92  0.487
-0.60    4.91     31.41     3.85    -27.95    4.80    9.47    -D.11
ITALY              -4.012     0.347    0.737    0.283    -0.716    0.625   0.305   -0.328   0.91   0.557
-3.24     5.85    29.50     12.17    -20.38   9.32    4.06    -3.77
NETHERLANDS         4.579     0.102    0.627    0.158    -0.855   0.525   0.739   -0.442   0.90  0.603
2.71     1.11     22.73     5.87    -26.76    6.41    9.94    -4.08
Countries outside reglonal groups
ARGENTINA           1.934     0.622    0.700    -0.190    -1.62B    1.657   0.796    0.856   0.50  1.368
0.79     4.57     11.94    -3.73    -17.90    8.59    4.75     4.25
AUSTRALUA          10.440     0.135    1.201     0.179    -2.860    1.055   0.917   -0.514   0.77  1.251
2.44     0.60     18.73     4.32    -25.07    6.65    7.58    -2.56
BRAZIL             10.311     0.219    0.688    0.016    -1.772   0.826    1.071    0.441    0.72  0.765
4.34     1.86    1B.97      0.55    -17.94    8.06    10.23    4.19
GREAT BRITAIN       1.620     0.272    0.557    0.242    -0.738   0.199   0.790    0.164   0.78  0.836
066      2.14     14.62     5.60    -11.53    1.99    6.44     0.99
iNDIA              -2.740     0.783    0.615    0.838    -2.3B7    1.116   0.883    1.074   0.83  0.961
-0.54     3.04    14.62    20.81    -21.05    7.30    6.83     5.65
* Variables with prefix 'L'are in log fotm. Af others are dummy variables.
Sample period is 1980-91. No. of obvs. (N) is 627, except PHL 439, IEU & IND 484.
t-ratios an given below the coefficients.
N = 11419
POOLED        -11.286    0.833    0.733     0.220    -0.973   0.722   0.859    0.466   0.60  1.747
EQUATION        -27.77    73.55    42.44    12.40    -39.65   17.13   20.62    8.24
SOURCE: UN COMTRADE Database
37



TABLE 3B: GRAVITY MODEL OF BILATERAL TRADE
DUMMIES: ONLY PARTNER COUNTRY IS IN THE REGION**
WITHOUT DUMMY FOR COMMON BORDER
LHS VARIABLE: LOG OF TOTAL IMPORTS*
REPORTER          CONST   LGDPI   LGDPJ  LPCGDPJ  LDIST    EC6P    EAP             NAP  ADJ R2 RT MSE
COUNTRY (
Countries In EA
HONG KONG          -6.322     0.494    0,964     0.532    -1.527    0.605   0.254   -0.533   0.77  1.331
-2.12     2.88    15.08     9.84    -11.92    4.13    0.91    -3.06
INDONESIA         -27.421     1.272    1.338    0.623    -1.762    0.280   0.715   -0.301    0.75   1.609
-2.70    2.31     20.52     13.17    -9.94     1.58    2.95    -1.B0
JAPAN               -5.658    0.25B    0.879     0.100    -0.397   -0.299   1.681    0.589   0.81   0.788
-2.61     3.09    28.74     2.93    -2.99    -3.73    7.80     5.35
KOREA             -34.804     0.618    0.692     0.620    1.833   -0.199   4.641    1.178   0.50  2.070
-7.31     3.51     7.19     6.58      4.48    -1.35    8.35    4.79
MALAYSIA          -13.532     0.810    0.871     0.456    -1.150    0.568    1.276    0.051    0.67   1.515
-2.54     2.56    15.00     11.45    -11.06    3.58    7.43    0.21
TAIWAN (CHINA)    -23.859     0.826    0.417     0.755    0.629    0.579   3.004    1.328   0.47   1.999
-6.11     4.66     3.9B     7.34      2.25    4.25    7.09     5.55
PHIUPPINES        -16.714     0.649    1.04B     0.796    -1.300   0.639    1.639   0.393   0.67  2.009
-1.49     0.99    14.71     10.27    -5.77    2.96    3.74     1.52
SINGAPORE           -8220     0.276    1.001     0.671    -1.064   -0.009   0.072   -0.671    0.45   2.390
-1.56     0.90    12.37     7.87     -5.16    -0.07    0.23    -3.67
THAILAND            -1.367    0.513    1.220     0.677    -2852    0.003   -1.069   -0.156   0.78   1.440
-0.40    3.01     18.59     14.08    -13.76    0.02    -3.93    -0.90
Countries In NA
CANADA              -6.982    0.418    0.775    0.303    -0.700   -0.0B4    1.283    1.159   0.84   0.773
-2.46     2.87    23.18     11.37    -7.26    -1.06    15A6    7.56
ME)ICO             -29.247    1.429    0.820    0.309    -0.603   0.628   -0.686    1.174   0.47   1.999
-4.04     3.85    14.47     4.84     -3.49    4.64    -1.97    4.69
USA                -6.354     0.558    0.711     0.117    -0.667    0.185    1.854    1.339   0.86  0.621
-2.33     4.54    25.00     4.07     -6.10    2.51   23.61     7.71
38



TABLE 38: CONTINUED
REPORTER          CONST   LGDP I   LGDPJ  LPCGOP J  LDIST    EC6P    EAP           NAP  ADJ R2 RT MSE
COUNTRY (Q
Countries In EC6
BELGIUM-LUX         4.094     0.373    0.678     0.185    -0.537   0.902   0.228   -0.514   0.91   0.533
-4.09    5.08    29.11       8.71    -20.71    10.65    3.53    -4,58
WEST GERMANY        -2.174    0.314    0.671     0,284    0.615   0.364   0.881   -0.790   0.92  0.497
-1.41    4.07     33.24     11.58    -22.12    5.31    13.73    -a40
FRANCE              3.992     0.391    0.665     0.243    -0.609   0.638    0.698   -0.139   0.94  0.432
-3.20     6.57    42.45     13.76   -22.13    10.19    12.69    -1.57
ITALY              -3,660     0.259    0.757     0.214    -0.495   1.054    0.072   -0.751    0.92  0.491
-3.26    4.71     34.54     11.85    -19.64   17.73    1.22    -7.06
NETHERLANDS        -0,515     0.298    0.625    0.198    -0.700   0.324    1.228   -0.027   0.89  0.610
-0.30    3.21     22.32      9.61    -23.71   3.90    17.86    -0.20
Countries outside regional groups
ARGENTINA          10.001     n.067    0.565     0.505    -1.836    1.215    0.179    1.040   0.47  1.891
2.60    -0.35     7.21      7.90    -17.18    6.80    0.69     4.16
AUSTRALIA           3.689    -0.019    1.079     0.562    -1.841    0.393    1.124   -0.479   0.73  1.347
0.83    -0.08     16.71    13.i9    -12.76    2.56    8.25    -2.41
BRAZIL              7.547    0.510     0.870     0.281    -2898   0.529    1.672    1.151   0.61   1.493
1.7B     2.34     15.71     4.24    -18.23    4.40    7.74    6.76
GREAT BRITAIN      -1.594     0.327    0.616     0.376    -0.730    0.005    1.098   -0.221    0.79  0.879
-0.63    2.27     16.16     10.36    -12.13    0.05    9.20    -1.38
INDIA              -3.534     0.089    1.169     0.679    -1.704   0.402    0.839   -0.022   0.74  1.447
-0.46     0.22    15.44     10.62    -10.79    1.66    5.60    -0.10
* Variables with prefix 'L' are in log form. All others are dummy varables.
Sample period is 1980-91. No. of obvs. rN) is 527, except IND 439, PHL & DEU 484.
t-ratios are given below the coefficients.
N = 11419
POOLED        -14.267    0.829     0.788    0.390    -0.890   0.387    0.999    0.267   0.62  1.763
EQUATION        -35.35    72.56    46.43     22.40    -36.64    10.07    22.62   5.56
SOURCE: UN COMTRADE Database
39



Pollcy Research Working Paper Series
Contact
Title                           Author                  Date              for paper
WPS1344 Which Foreign Investors Worry About Eric Bond            August 1994        A. Estache
Foreign Exchange Risk in South  Antonio Estache                           81442
Asia and Why?
WPS1345 The Decentralization of Public   Jacques Cremer          August 1994       A. Estache
Services: Lessons from the Theory   Antonio Estache                       81442
of the Firm                     Paul Seabright
WPS1346 Linking Competition and Trade     Bemard M. Hoekmnan     August 1994        F. Hatab
Policies In Central and Eastem  Petros C. Mavroldis                       35835
European Countries
WPS1347 Antitrust-Based Remedies and      Bemard M. Hoekman      August 1994        F. Hatab
Dumping in Intemational Trade   Petros C. Mavroidis                       35835
WPS134B Quality Change and Other Influences Robert E. Lipsey     August 1994       J. Ngaine
on Measures of Export Prices of                                           37947
Manufactured Goods
WPS1349 The New Regionalism and the Th'eat  Andrew Hughes Hallett    August 1994    A. Kim
of Protectionism                Carlos A. Primo Braga                     33715
WPS1350 Economic Parameters of           Joachim von Amsberg    August 1994         E Schaper
Deforestation                                                             33457
WPS1351 NAFTA's Implications for East Asian  Carlos A. Primo Braga  August 1994     A. Kim
Exports                         Raed Safadi                               33715
Alexander Yeats
WPS1352 Trade and Growth in Ecuador      Jesko Hentschel         August 1994        D. Jenkins
A Partial Equilibrum View                                                 37890
WPS1353 Nontariff Measures and Developing   Patrick Low          August 1994        J. Jacobson
Countries: Has the Uruguay Round   Alexander Yeats                        33710
Leveled the Playing Field?
WPS1354 The Effects of Fiscal Consolidation   Warwick J. McKibbin  September 1994   J. Queen
in the OECD                                                               33740
WPS1355 Export Incentives: The Impact of    Sanjay Kathuria      September 1994     M. Haddad
Recent Policy Changes                                                     32160
WPS1356
Central Bank Independence:      Ignacio Mas            Septernber 1994    T. Lucas
A Critical View                                                           30704
WPS1357 Does Participation Improve Project  Jonathan Isham       September 1994     M. Geller
Performance? Establishing Causality Deepa Narayan                         32724
with Subjective Data            Lant Pritchett



Policy Research Working Paper Series
Contact
Title                           Author                  Date              for paper
WPS1358 Pattems of Behavior In            Andrew Metrick         September 1994     A. Maraflon
Blodiversity Preservation       Martin L. Weitzman                        39074
WPS1359 When Method Matters: Toward a     Martin Ravallion       September 1994     P. Cook
Resolution of the Debate about  Blnayak Sen                               33902
Bangladesh's Poverty Measures
WPS1360 Are Portfoli Flows to Emerging    Sudarshan Gooptu       September1994      R. Vo
Markets Complamentary or                                                  31047
Competitive?
WPS1361 Extemal Shocks and Performance    F. Desmond McCarthy    September 1994     M. Divino
Responses during Systemic       Chandrashekar Pant                        33739
Transition: The Case of Ukraine  Kangbin Zheng
Giovanni Zanaida
WPS1362 Regulation, lnstitutions, and     Pablo T. Spiller       October 1994       B. MDore
Commitment The Jamaican         Cezley I. Sampson                          38526
Telecommunications Sector
WPS1363 Brazil's Sugarcane Sector A Case   Brent Borrell         October 1994       M. Bale
of Lost Opportunity             Josh R. Bianco                             31913
Malcolm D. Bale
WPS1364 Why DD Some Economies Adjust    lshrat Husain            October 1994       J. Schwartz
More Successfully Than Others?                                             32250
Lessons from Seven African Countries
YWPS1365 The Macroeconomics of Adjustment  lshrat Husain         October 1994       J. Schwartz
in Sub-Saharan African Countries:                                          32250
Results and Lessons
WPS1366 Distributive Concerns When        Salvador Vald6s-Prieto    October 1994    E. Khine
Replacing a Pay-As-You-Go System                                          37471
wih a Fully Funded System
WPS1367 The Economics of Cash Shortage    Patrick Conway         October 1994       L Suld
33974
WPS1368 Sustained Inflation in Response to   Patrick Conway      October 1994       L SuW
Price Uberalization                                                        33974
WPS1369 Economic Policy Reformn.          Phlip L Brock          October 1994       P. Sintim-
Goverrunment Debt Guarantees, and                                           Aboagye
Financial Bailouts                                                        38526
WPS1370 Is East Asia Less Open than North   Sumana Dhar          October 1994       J. Ngaine
America and the European Economic Arvind Panagariya                        37959
Comnmunily? No