We measure gains from trade in multi-sector economies with non-homothetic preferences where changes in trade costs generate reallocation of expenditure across sectors. We show how to measure the trade elasticity and how it relates to welfare. In this environment, the trade elasticity now varies...

This paper develops a methodology for predicting the impact of trade liberalization on exports by industry (2-digit ISIC) based on the distribution of exports before the reform by product (5-digit SITC). Using the results of Kehoe and Ruhl (2009) that much of the growth in trade after trade...

In the standard heterogeneous firm model of Hopenhayn (1992) and Melitz (2003), more efficient firms export and trade liberalization leads to higher average efficiency among firms. In data for Columbian plants 1981–1991, we see that the average level of productivity among exporters is...

Quantifying the gains from international trade is an area of research that has been widely studied using a variety of trade models. At the same time, it has been shown that non-homotheticities are useful for matching the systematic patterns of trade present in disaggregated trade data. We bring...