U.S. trade statistics to provide a broad overview of how the margins of trade contribute to variation in U.S. imports … and exports across trading partners, types of trade (i.e., arm's-length versus related-party) and both short and long time …Recent research in international trade emphasizes the importance of firms' extensive margins for understanding overall …

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 …

years 1989-2001. Earlier CD-ROMs distributed by the NBER described data on U.S. imports and exports from 1972-1994, and …This paper describes the updating of the NBER trade dataset, which now provides U.S. import and export values to the … year 2001, disaggregated by Harmonized System (HS), Standard International Trade Classification (SITC), and the U …

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

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 …

.S. trade policy that eliminated potential tariff increases on Chinese imports. Industries where the threat of tariff hikes … declines the most experience more severe employment losses along with larger increases in the value of imports from China and … the number of firms engaged in China-U.S. trade. These results are robust to other potential explanations of the …

This paper examines the relative "sophistication" of China's exports to the United States along two dimensions. First …