Castellani, Davide; Serti, Francesco; Tomasi, Chiara - 2008
firm heterogeneity and international trade, together with some new facts. In particular, we find that importing can be as …This paper offers a portrait of Italian firms that trade goods. Combining data on firms' structural characteristics and … important as exporting as a source of firm heterogeneity. First, we document that trade is more concentrated than employment and …