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 …

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 …