of natural selection are made weaker because trade allows people to specialize in those activities where they are strong …, and to offset their weaknesses by purchasing adequate goods on the market. Absent trade, people must allocate their time … alleles at all locations. Under trade, there exist long-run equilibria where less fit individuals are able to achieve the same …

This paper investigates short and long-run effects of trade liberalization on employment and wages. Employment and wage …

In "new" new international trade theory, whether firms export or not are determined by their productivity. These models …