I propose and estimate a dynamic model of financial intermediation to study the different roles of the condition of banks' and firms' balance sheets in real activity. The net worth of firms determines their borrowing capacity both from households and banks. Banks provide risky loans to multiple...

This paper develops a theory of the secondary market trading of financial securitities in which endogenous asset market dynamics generate periods of growing aggregate credit volumes and falling credit standards even in the absence of "financial shocks." Falling credit standards in turn lead to...