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Working Paper
Economic and regulatory capital allocation for revolving retail exposures
The latest revision of the Internal Ratings Based approach of the Basel Committee on Banking Supervision's New Capital Accord Proposal for retail portfolios contains a significant innovation relative to previous versions: the recognition that, for revolving credits, future margin income will be available to cover losses before a bank's capital is threatened. We assemble a mini-portfolio of revolving exposures and we compare the capital charges generated by the latest Basel's formula with the capital charges generated by two possible earnings-at-risk internal capital allocation models. We find ...