This book takes a comprehensive look at Japanese firms engaging in export and foreign direct investment (FDI) and develops new methods and data to investigate the internationalization of firms, which is a focus issue in international trade. Using micro-level data, the book provides an introduction to theoretical and statistical analysis of internationalization modes of Japanese firms with productivity heterogeneity. It makes clear that although the productivity of internationalized Japanese firms is higher on average than that of firms serving only the domestic market, the difference in...