Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/60757 
Year of Publication: 
2010
Series/Report no.: 
Staff Report No. 469
Publisher: 
Federal Reserve Bank of New York, New York, NY
Abstract: 
Banks face two different kinds of moral hazard problems: asset substitution by shareholders (e.g., making risky, negative net present value loans) and managerial rent seeking (e.g., investing in inefficient 'pet' projects and consuming perquisites that yield private benefits). The privately optimal level of bank leverage is neither too low nor too high: It balances efficiently the market discipline imposed by owners of risky debt on managerial rent seeking against the asset substitution induced at high levels of leverage. However, when correlated bank failures can impose significant social costs, governments may have no option but to bail out bank creditors. Anticipation of this generates an equilibrium featuring systemic risk in which all banks choose inefficiently high leverage to fund correlated assets and market discipline is compromised. A minimum equity capital requirement can rule out asset substitution but also compromise market discipline by making bank debt too safe. The optimal capital regulation requires that a part of bank capital be unavailable to creditors upon failure, and be available to shareholders only contingent on good performance.
Subjects: 
Market discipline
asset substitution
systemic risk
bailout
forbearance
moral hazard
capital requirements
JEL: 
G21
G28
G32
G35
G38
Document Type: 
Working Paper

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