S. Arndt and T. Et-willett, EC 1992 from a North American Perspective, The Economic Journal, vol.101, issue.409, pp.1567-1579, 1991.
DOI : 10.2307/2234905

J. Bergstrand, The Gravity Equation in International Trade: Some Microeconomic Foundations and Empirical Evidence, The Review of Economics and Statistics, vol.67, issue.3, pp.474-81, 1985.
DOI : 10.2307/1925976

M. Crozet and H. Et-erkel-rousse, Trade performances and the estimation of price-elasticities: Quality matters, 1999.

A. Dixit and J. Stiglitz, Monopolistic Competition and Optimum Product Diversity, American Economic Review, vol.67, issue.3, pp.297-308, 1977.
DOI : 10.1017/cbo9780511492273.004

H. Erkel-rousse and D. Et-mirza, Import price elasticities: reconsidering the evidence, Canadian Journal of Economics/Revue Canadienne d`Economique, vol.35, issue.2, p.2, 2000.
DOI : 10.1111/1540-5982.00131

H. Erkel-rousse, . Et-le, and F. Gallo, Comp??titivit??s prix et qualit?? dans le commerce international : une analyse empirique des ??changes de 12 pays de l???OCDE, Économie et Prévision, pp.152-153, 2002.
DOI : 10.3406/ecop.2002.6368

J. Frankel, E. Stein, and S. Wei, Trading blocs and the Americas: The natural, the unnatural, and the super-natural, Journal of Development Economics, vol.47, issue.1, pp.61-95, 1995.
DOI : 10.1016/0304-3878(95)00005-4

J. Harrigan, Openness to trade in manufactures in the OECD, Journal of International Economics, vol.40, issue.1-2, pp.23-29, 1996.
DOI : 10.1016/0022-1996(95)01395-4

J. Haveman and D. Et-hummels, Trade Creation and Trade Diversion, Journal of Transnational Management Development, vol.36, issue.2, pp.47-72, 1998.
DOI : 10.2307/1910131

K. Head and T. Et-mayer, Non-Europe: The magnitude and causes of market fragmentation in the EU, Review of World Economics, vol.32, issue.7, pp.285-314, 2000.
DOI : 10.1016/0014-2921(88)90113-4

URL : https://hal.archives-ouvertes.fr/hal-00267441

J. Helliwell, Do National Borders Matter for Quebec's Trade?, The Canadian Journal of Economics, vol.29, issue.3, pp.507-522, 1996.
DOI : 10.2307/136247

J. Helliwell, National Borders, Trade and Migration, Pacific Economic Review, vol.3, issue.3, pp.165-185, 1997.

D. Hummels, Toward a Geography of Trade Costs, SSRN Electronic Journal, 1999.
DOI : 10.2139/ssrn.160533

D. Hummels, Have International Transportation Costs Declined, 1999.

E. Hoover, The Location of Economic Activity, 1948.

A. Hurd, Ports of the World, 1956.

P. R. Krugman, Scale Economies, Product Differentiation, and the Pattern of Trade, American Economic Review, vol.70, pp.950-959, 1980.

E. Leamer, Access to Western Markets, and Eastern Effort Levels.'' in S. Zecchini, Lessons from the Economic Transition : Central and Eastern Europein the 1990s, 1997.

E. Leamer and J. Et-levinsohn, International Trade Theory: The Evidence, Handbook of International Economics vol III, 1995.
DOI : 10.3386/w4940

J. Mccallum, National Borders Matter: Canada-US Regional Trade Patterns, American Economic Review, vol.85, issue.3, pp.615-623, 1995.

D. Neven and L. Et-röller, European integration and trade flows, European Economic Review, vol.35, issue.6, pp.1295-1309, 1991.
DOI : 10.1016/0014-2921(91)90120-8

V. Nitsch, National borders and international trade: evidence from the European Union, Canadian Journal of Economics/Revue Canadienne d`Economique, vol.33, issue.4, pp.1091-1105, 2000.
DOI : 10.1111/0008-4085.00055

S. Wei, Intra-National Versus International Trade: How Stubborn Are Nations in Global Integration, National Bureau of Economic Research Working Paper, vol.5531, 1996.
DOI : 10.3386/w5531

H. C. Wolf, Patterns of Intra-and Inter-State Trade, National Bureau of Economic Research Working Paper, vol.5939, 1997.
DOI : 10.3386/w5939

H. C. Wolf, Intranational Home Bias in Trade, Review of Economics and Statistics, vol.75, issue.2, pp.555-563, 2000.
DOI : 10.2307/2084520