He received his Ph.D. from the MIT Economics Department in 2013 and focuses on macro-finance and financial intermediation in his studies. Di Maggio's research exploits micro data to investigate macro issues, such as the role of supply of credit in the boom and bust in economic activity, or the effects of monetary policy on the allocation of credit and in shaping households’ consumption behavior. He is also interested in how institutional investors and financial intermediaries affect the functioning of financial markets.