We investigate how bank migration across state lines over the last quarter century has affected the size and covariance of business fluctuations within states. Starting with a two-state version of the unit banking model in Holmstrom and Triocole (1997), we conclude that the theoretical effect of...

"I consider banks' role in providing funding liquidity (the ability to raise cash on demand) and market liquidity (the ability to trade assets at low cost), and how these roles have evolved. Traditional banks made illiquid loans funded with liquid deposits, thus producing funding liquidity on...