' exporting and importing behavior, both at the extensive and intensive margins. Our results support the assertion that trade … credits have a positive impact on firms' exporting and importing activities. …

economic performance with data on their exporting and importing activity, we uncover evidence supporting recent theories on … sales, and we show that import is even more concentrated than export both within sectors and along the sector and country … extensive margins. Second, while supporting the fact that firms involved in both importing and exporting (two-way traders) are …

its fundamental involvement in international trade. For U.S. industries, we find that the stock performance of import …-oriented companies moves positively with the performance of the dollar, but the stock performance of export-oriented companies tends to …, import-oriented companies generate lower expected stock returns. We also find that the risk premium becomes more negative …

This paper describes the updating of the NBER trade dataset, which now provides U.S. import and export values to the …