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Title:The New Basle Accord, Internal Ratings, and the Incentives of Banks PDF Logo
Authors:Kirstein, Roland
Issue Date:2000
Series/Report no.:CSLE Discussion Paper 2000-06
Abstract:The Basle Accord of 1988 regulates how much equity banks must set aside as a cushion against the default risk. In its 1999 proposal for a new Accord, the Basle Committee seeks to introduce different equity ratios for customers of different risk levels. The proposal strongly favors external ratings as a means of risk determination. German banks, on the other hand, demand acknowledgement of their internal ratings. This paper shows that, even if assumed that banks have better diagnosis skill than external rating agencies, external ratings are better able to implement the goals of the Basle Committee than internal ratings. This is due to a lack of incentives to truthfully reveal their diagnosis results. These incentives may be provided by supervision of internal ratings, even if imperfect and only occasional. However, this requires that a fine be imposed if the supervising authority comes to a result different from the internal rating assigned by the bank.
Subjects:diagnosis theory
imperfect decision making
credit worthiness tests
JEL:D81
K00
G21
Document Type:Working Paper
Appears in Collections:CSLE Discussion Paper Series, CSLE - Center for the Study of Law and Economics, Universität des Saarlandes

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