BCBS 173

From Open Risk Manual


BCBS 173 is a document published by the Basel Committee on Banking Supervision on August 2010 in the Macroprudential category.


An assessment of the long-term economic impact of stronger capital and liquidity requirements.


The Financial Stability Board (FSB) and Basel Committee on Banking Supervision (BCBS) today published reports prepared as inputs to the calibration of the new bank capital and liquidity standards and to inform the transition arrangements for implementation of the new standards.

The two reports are "An assessment of the long-term economic impact of stronger capital and liquidity requirements," prepared by the Basel Committee, and "Assessing the macroeconomic impact of the transition to stronger capital and liquidity requirements", the interim report of the joint FSB-BCBS Macroeconomic Assessment Group (MAG). Together, the two reports provide an assessment of both the net economic impact of stronger capital and liquidity reforms once implementation is complete and the macroeconomic implications during the transition to full implementation.

The Basel Committee's assessment of the long-term economic impact finds that there are clear net long term economic benefits from increasing the minimum capital and liquidity requirements from their current levels in order to raise the safety and soundness of the global banking system. The benefits of higher capital and liquidity requirements accrue from reducing the probability of financial crisis and the output losses associated with such crises. The benefits substantially exceed the potential output costs for a range of higher capital and liquidity requirements.

The FSB-BCBS MAG assessment of the macroeconomic transition costs, prepared in close collaboration with the International Monetary Fund, concludes that the transition to stronger capital and liquidity standards is likely to have a modest impact on aggregate output. If higher requirements are phased in over four years, the group estimates that each one percentage point increase in bank's actual ratio of tangible common equity to risk-weighted assets will lead to a decline in the level of GDP relative to its baseline path by about 0.20% after implementation is completed. In terms of growth rates, this means that the annual growth rate would be reduced by an average of 0.04 percentage points over a four and a half year period, with a range of results around these point estimates. A 25% increase in liquid asset holdings is found to have an output effect less than half that associated with a one-percentage point increase in capital ratios. The projected impacts arise mainly from banks passing on higher costs to borrowers, which results in a slowdown in investment. A two-year implementation period leads to a slightly larger reduction from the baseline path, with the trough occurring after two and a half years, while extending the implementation period beyond four years makes little difference. In all of these estimates, GDP returns to its baseline path in subsequent years.

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