We study efficiency properties of competitive economies in which banks provide liquidity insurance and interact on secondary asset markets. While all banks are subject to extrinsic risk, a bank's portfolio choice determines whether it is prone to a bank run in one of the extrinsic states. Asset...

A bank's decision on loan supply and capital structure determines its immediate bankruptcy risk as well as the future availability of internal funds. These internal funds in turn determine a bank's future costs of external finance and future vulnerability to bankruptcy risks. We study these...