Recent empirical evidence has highlighted how the export patterns of multi-product firms dominate world trade flows, and how these multi-product firms respond to different economic conditions across export markets by varying the number of products they export. In this paper, we further analyze...

How many "American jobs" have U.S.-born workers lost due to immigration and offshoring? Or, alternatively, is it possible that immigration and offshoring, by promoting cost-savings and enhanced efficiency in firms, have spurred the creation of jobs for U.S. natives? We consider a multi-sector...

In the global recession of 2009, exports declined precipitously in many countries. We illustrate with firm-level data for Belgium and Peru that the decline was very sudden and almost entirely due to lower export sales by existing exporters. After the recession, exports rebounded almost equally...