Recent empirical studies of international trade have stressed that firm level decisions about the number of export products or markets represent an important margin of adjustment in response to globalization and changes in economic conditions. We investigate how decisions about the export...

Most of the empirical studies on the micro-level effects of exporting on productivity pay little attention to the potentially heterogeneous effects of the different modes of export market entry. We study how productivity of firms is affected by export entry simultaneously into several markets or...