Heterogeneous Firms and Informality : The Effects of Trade Liberalization on Labor Markets

The informal sector is often seen as a coping mechanism for firms that choose to evade registration fees or pay low wages. In this paper, I investigate the role of the informal sector in the impact of trade liberalization on welfare, employment and wage inequality in a model of trade with heterogeneous firms. The findings suggest that trade liberalization reduces informal employment unambiguously. Contrary to the extant literature, however, its impact on welfare, total employment and wage inequality is country-specific