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2 Hill, R. Carter, "Undergraduate econometrics" Wiley 2001
3 Seo,Suh, "Trends in the pattem of foreign direct investment: the case of the Asia-Pacific region" 1997
4 Rauch, "Trade and search: Social capital" 1996
5 Kohli, "Trade and migration: a production theory approach" 1999
6 Helpman, "The structure of foreign trade" 1999
7 Girma, "The link between immigration and trade: evidence from the United Kingdom" 2002
8 Dunlevy,J.,Hutchinson, "The impact of immigration on American import trade in the late nineteenth and twentieth centuries" 1999
9 Bergstrand, "The gravity equation in intemational trade: some microeconomic foundations and empirical evidence" 1985
10 Bergstrand, "The generalized gravity equation monopolistic competition and the factor proportions theory in intemational trade" 1989
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