Hawkish policymakers in Britain and the United States have said that Basel's current system of using in-house models to assign weightings to risky assets to determine capital levels is too complicated and easily gamed.
"This is achieved by establishing a closer calibration of the two approaches, requiring mandatory calculation of the standardised approach by all banks, and requiring mandatory public disclosure of standardised capital charges by all banks, on a desk-by-desk basis," the committee said in a statement.
The committee is also considering the merits of introducing the standardised approach as a floor or surcharge to the models-based approach.
"However, it will only make a final decision on this issue following a comprehensive quantitative impact study, after assessing the impact and interactions of the revised standardised and models-based approaches," the committee said.
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