His research explores the conditions under which firms in developed nations coalesce into groups, and how different attributes of such groups are related to resource reallocation, innovation, and firm performance. Professor Belenzon’s research is dedicated to advance the understanding of how firm organizational structure mediates, and is mediated by, firm strategy, and of how structure conditions the way in which resources are mobilized across different units of the organization, focusing on financial resources, innovation, managerial talent, and brands (names). His research has been featured in top academic journals, such as Management Science, Strategic Management Journal, Review of Economics and Statistics, Economic Journal, and Journal of Law and Economics.