A theory of procyclical bank herding

Acharya, V and Yorulmazer, T (2004) A theory of procyclical bank herding. Working Paper. London Business School IFA Working Paper.


When bank loan returns have a systematic factor, the failure of one bank conveys adverse information about this systematic factor and increases the cost of borrowing for the surviving banks relative to the situation of no bank failures. Such information spillover is costly to profitmaximizing bank owners. Given their limited liability, bank owners herd exante and undertake correlated investments to increase the likelihood of joint survival. Competitive effects such as superior margins from lending to different industries and migration of depositors of a failed bank to the surviving bank mitigate herding incentives. When expected returns on loans are low (economic booms), the herding incentives dominate, whereas when expected returns are high (economic downturns), the competitive effects dominate. This gives rise to a procyclical pattern in the industry based concentration of aggregate bank lending.

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Item Type: Monograph (Working Paper)
Subject Areas: Finance
Date Deposited: 05 Sep 2023 15:18
Last Modified: 06 Sep 2023 17:34
URI: https://lbsresearch.london.edu/id/eprint/3350

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