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...

This paper introduces product-level regulation as a new driver of informality and diversification in a model of heterogeneous multi-product firms and endogenous product choice. Firms face regulations at both the firm- and product-level and may comply with or evade either regulation. The model...