Regret theory and the banking firm: The optimal bank interest margin
AbstractThis paper examines the optimal bank interest margin, i.e., the spread between the loan rate and the deposit rate of a bank, when the bank is not only risk-averse but also regret-averse. Regret-averse preferences are characterized by a utility function that includes disutility from having chosen ex-post suboptimal alternatives. We show that the presence of regret aversion raises or lowers the optimal bank interest margin than the one chosen by the purely risk-averse bank, depending on whether the probability of default is below or above a threshold value, respectively. Regret aversion as such makes the bank less prudent and more prone to risk-taking when the probability of default is high, thereby adversely affecting the stability of the banking system.
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Bibliographic InfoArticle provided by Elsevier in its journal Economic Modelling.
Volume (Year): 28 (2011)
Issue (Month): 6 ()
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Web page: http://www.elsevier.com/locate/inca/30411
Bank interest margins; Banking firms; Credit risk; Regret theory;
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- Tsai, Jeng-Yan, 2013. "Bank interest margin management based on a path-dependent Cobb–Douglas utility framework," Economic Modelling, Elsevier, vol. 35(C), pages 751-762.
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- Chang, Chuen-Ping, 2014. "A barrier option framework for rescue package designs and bank default risks," Economic Modelling, Elsevier, vol. 38(C), pages 246-257.
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