Melitz and Ottaviano's (2008) firm-heterogeneity model predicts that trade liberalization induces a selection process from low to high productivity firms, which translates to an industry productivity growth. A similar firms' selection effect is induced by market size. In this paper, these...

This paper documents patterns in international trade costs in processed foods for a large cross-section of developing and developed countries, during the 1976-2000 period. A trade costs index is inferred from a micro-founded gravity equation that incorporates bilateral 'iceberg' trade costs. For...

This paper studies the effect of political regime transitions on public policy using a dataset on global agricultural distortions over 50 years (including data from 74 developing and developed countries over the period 1955-2005). We employ both difference-in-differences regressions and...

This paper studies the effect of political regime transitions on public policy using a new data set on global agricultural and food policies over a 50-year period (including data from 74 developing and developed countries over the 1955-2005 period). The authors find evidence that democratization...