In a model with bankruptcy costs and segmented deposit and equity markets, we endogenize the cost of equity and deposit finance for banks. Despite risk neutrality, equity capital earns a higher expected return than direct investment in risky assets. Banks hold positive capital to reduce...

We build a general equilibrium model of banks' optimal capital structure, where bankruptcy is costly and investors have heterogenous endowments and incur a cost for participating in equity markets. We show that banks raise both deposits and equity, and that investors are willing to hold equity...