Banks’ optimal implementation strategies for a risk sensitive regulatory capital rule: a real options and signalling approach
AbstractI evaluate a bank's incentives to implement a risk sensitive regulatory capital rule and to invest in improved risk measurement. The decision making is analyzed within a real options framework where optimal policies are derived in terms of threshold levels of risk. I also evaluate the situation where exercise or non-exercise of the options to implement or invest are signals about the underlying quality of the loan portfolio. The framework is used for a numerical evaluation of banks' decision of whether to use internal rating based models for credit risk (the IRB-approach) under the new Basel accord (Basel II), where the dynamic behavior of risk is described by an Ohrnstein-Uhlenbeck process. I discuss empirical implications of the evaluation framework.
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Bibliographic InfoPaper provided by Norges Bank in its series Working Paper with number 2006/12.
Length: 36 pages
Date of creation: 11 Dec 2006
Date of revision:
Risk measurement; capital structure; real options; Basel II;
Find related papers by JEL classification:
- G13 - Financial Economics - - General Financial Markets - - - Contingent Pricing; Futures Pricing
- G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
- G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation
- G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill
This paper has been announced in the following NEP Reports:
- NEP-ALL-2006-12-16 (All new papers)
- NEP-BAN-2006-12-16 (Banking)
- NEP-CFN-2006-12-16 (Corporate Finance)
- NEP-REG-2006-12-16 (Regulation)
- NEP-RMG-2006-12-16 (Risk Management)
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