"Trade and Search: Social Capital, Sogo Shosha, and Spillovers," National Bureau of Economic Research Working Paper 5618, June 1996.
"Overcoming Informational Barriers to International Resource Allocation: Prices and Group Ties" (with Alessandra Casella), National Bureau of Economic Research Working Paper 6628, June 1998.
"Introduction to Symposium on 'Business and Social Networks in International Trade' " (with Robert C. Feenstra), Journal of International Economics 48 (June 1999): 3-6.
"Networks Versus Markets in International Trade," Journal of International Economics 48 (June 1999): 7-35.
"Business and Social Networks in International Trade," Journal of Economic Literature 39 (December 2001): 1177-1203.
"Ethnic Chinese Networks in International Trade" (with Vitor Trindade), Review of Economics and Statistics 84 (February 2002): 116-130.
"Overcoming Informational Barriers to International Resource Allocation: Prices and Ties" (with Alessandra Casella), Economic Journal 113 (January 2003): 21-42.
"Information, International Substitutability, and Globalization" (with Vitor Trindade), American Economic Review 93 (June 2003): 775-991.
"Starting Small in an Unfamiliar Environment" (with Joel Watson), International Journal of Industrial Organization 21 (September 2003): 1021-1042.
"Network Intermediaries in International Trade" (with Joel Watson), Journal of Economics and Management Strategy 13 (March 2004): 69-93.