U.S. trade statistics to provide a broad overview of how the margins of trade contribute to variation in U.S. imports …Recent research in international trade emphasizes the importance of firms' extensive margins for understanding overall … patterns of trade as well as how firms respond to specific events such as trade liberalization. In this paper, we use detailed …

attention to the role of firms when discussing international trade. This paper summarizes key differences between trading and … non-trading firms, demonstrates how these differences present a challenge to standard trade models and shows how recent … "heterogeneous-firm" models of international trade address these challenges. We then make use of transaction-level U.S. trade data to …

This paper examines the determinants of intra-firm trade in U.S. imports using detailed country-product data. We create … a new measure of product contractibility based on the degree of intermediation in international trade for the product …. We find important roles for the interaction of country and product characteristics in determining intra-firm trade shares …

This paper examines the microstructure of import markets and the division of the gains from trade among consumers … also internalize business stealing. Introducing these contractual choices into a trade model with heterogeneous exporters … and importers, we show that trade liberalization increases the incentive to engage in joint contracts, thus raising the …

Mexico's experience before and after trade liberalization presents a challenge to neoclassical trade theory. Though …

This paper presents a dynamic model of the export decision by a profit-maximizing firm. Using a panel of U … government export promotion expenditures. Entry and exit in the export market by U.S. plants is substantial, past exporters are … apt to reenter, and plants are likely to export in consecutive years. However, we find that entry costs are significant …

This paper examines the decision to enter the export market by German firms. While exports have played an important … role in recent German business cycle movements, little is known about the export supply response of German firms. This … paper presents a dynamic model of the export decision by a profit-maximizing firm. Using a panel of German manufacturing …

manufacturing sector. This paper examines the source of this export boom and argues that the boom itself has been less remarkable … for the rate of growth of exports than for the striking increase in export intensity. This increase in export intensity … income are the dominant sources for the export increase, while productivity increases in U.S. plants play a relatively small …