This paper examines the growth effects of different dimensions of international trade integration-notably, volume, diversification, and natural resource dependence-in Sub-Saharan Africa. First, the paper documents the recent trends in these foreign trade dimensions for the region and the...

This paper attempts to quantify the impact of economic policy uncertainty on overall trade and trade linked to global value chains. Using new data on policy uncertainty for 18 countries and 24 years, it finds a statistically significant negative impact of policy uncertainty on overall trade...

How large are the estimated gains from trade from a reduction in trade costs in the heterogeneous firms Melitz (M) model compared with the Armington (A) and Krugman (K) models? Surprisingly little is known beyond the one-sector model. This paper analyzes this question using a global trade model...