Importers, Exporters and Multinationals: A Portrait of Firms in the U.S. that Trade Goods

Andrew B. Bernard, J. Bradford Jensen, and Peter K. Schott, Producer Dynamics: New Evidence from Micro Data (University of Chicago Press, 2009), chap. 14, https://www.nber.org/books-and-chapters/producer-dynamics-new-evidence-micro-data/importers-exporters-and-multinationals-portrait-firms-us-trade-goods.