This paper develops a general equilibrium model of multi-product firms and analyzes their behavior during trade liberalization. Firm productivity in a given product is modeled as a combination of firm-level “ability” and firmproduct- level “expertise”, both of which are stochastic and...

Faced with limited resources, policymakers need to know when and where to target support for displaced workers. The academic literature offers little support, presenting wide-ranging results with no consistent explanation for the observed differences in wages after workers are displaced. In this...

Understanding the idea of economic integration may be straightforward, but measuring it is not. The academic literature has identified a wide range of measures that capture various aspects of integration. Of these, the four most frequently used measures are product-level prices, factor markets,...