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Keywords:regulatory capital 

Working Paper
ENDOGENOUS/EXOGENOUS SEGMENTATION IN THE A-IRB FRAMEWORK AND THE PRO-CYCLICALITY OF CAPITAL: AN APPLICATION TO MORTGAGE PORTFOLIOS

This paper investigates the pro-cyclicality of capital in the advanced internal ratings-based (A-IRB) Basel approach for retail portfolios and identifies the fundamental assumptions required for stable A-IRB risk weights over the economic cycle. Specifically, it distinguishes between endogenous and exogenous segmentation risk drivers and, through application to a portfolio of first mortgages, shows that risk weights remain stable over the economic cycle when the segmentation scheme is derived using exogenous risk drivers, while segmentation schemes that include endogenous risk drivers are ...
Working Papers , Paper 17-9

Working Paper
The Impact of Post Stress Tests Capital on Bank Lending

We investigate one channel through which the annual bank stress tests, as part of the Federal Reserve?s Comprehensive Capital Analysis and Review (CCAR) review, could unexpectedly affect the provision of bank credit. To quantify the impact of the stress tests on lending, we compare the capital implied by the supervisory stress tests with the level of capital implied by the banks? own models, a measure we call the capital gap. We then study the impact of the capital gap on the loan growth of BHCs subject to supervisory or bank-run stress tests. Consistent with previous results in the bank ...
Finance and Economics Discussion Series , Paper 2018-087

Working Paper
Forward-looking and Incentive-compatible Operational Risk Capital Framework

This paper proposes an alternative framework to set banks? operational risk capital, which allows for forward-looking assessments and limits gaming opportunities by relying on an incentive-compatible mechanism. This approach would improve upon the vulnerability to gaming of the AMA and the lack of risk-sensitivity of BCBS?s new standardized approach for operational risk.
Finance and Economics Discussion Series , Paper 2017-087

Working Paper
Forecasting credit card portfolio losses in the Great Recession: a study in model risk

Credit card portfolios represent a significant component of the balance sheets of the largest US banks. The charge?off rate in this asset class increased drastically during the Great Recession. The recent economic downturn offers a unique opportunity to analyze the performance of credit risk models applied to credit card portfolios under conditions of economic stress. Specifically, we evaluate three potential sources of model risk: model specification, sample selection, and stress scenario selection. Our analysis indicates that model specifications that incorporate interactions between policy ...
Working Papers , Paper 14-10

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