Recent literature on the workhorse model of intra-industry trade has explored heterogeneous cost structures at the firm level. These approaches have proven to add realism and predictive power. This note shows, however, that this added realism also implies that there may exist a positive...

The normative analysis of monopolistic competition models of trade suggests that even for a small country a small tariff is welfare improving [Gros (1987) and Helpman and Krugman (1989, ch. 7)]. This note introduces a consumption-leisure trade-off to endogenize labor supply resulting in...