Her academic research focuses on how changes in countries' economic and policy environments affect the location and operating decisions of U.S. multinational firms. Much of her research has examined the intra-firm trade of U.S. multinational firms. Feinberg's research has been published in diverse journals including the Academy of Management Journal, American Economic Review, Journal of International Business Studies, Strategic Management Journal, The Review of Economics and Statistics, Canadian Journal of Economics and Journal of Industrial Economics.