Recent heterogeneous-firm models of international trade suggest that productivity determines whether firms engage in export and foreign direct investment. However in practice, m Abstract any productive firms are not internationalized, whereas many unproductive firms are. This situation suggests...

Recent heterogeneous-firm models of international trade suggest that productivity determines whether firms engage in export activity and foreign direct investment. In practice, however, many productive firms are not internationalized, whereas many unproductive firms are, which suggests that...