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Title: The behavior of the money multiplier during and after the subprime crisis: Implications for the transmission mechanism of monetary policy

Author(s): Alex Cukierman

Publication Date: December 2017

Keyword(s): banking credit and reserves., monetary base, Money multiplier since the crisis and in the future and Quantitative easing

Programme Area(s): International Macroeconomics and Finance and Monetary Economics and Fluctuations

Abstract: This short paper documents a dramatic decrease in the US conventional money multiplier since the downfall of Lehman's brothers and attributes it to the large scale quantitative easing operations of the Fed in conjunction with sluggish growth of banking credit. This, now almost ten years' old phenomenon, implies that shortage of reserves did not constitute a binding constraint on the expansion of banking credit since the start of the crisis. Since the Fed is unlikely to swiftly reduce its bloated balance sheet the banking system will continue to possess substantial excess reserves implying that they will not constitute a constraint on credit expansion for quite a while. Hence the conventional money multiplier is likely to be of little use as a predictor of the transmission of monetary base expansions to banking credit and the money supply in the foreseeable future.

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Bibliographic Reference

Cukierman, A. 2017. 'The behavior of the money multiplier during and after the subprime crisis: Implications for the transmission mechanism of monetary policy'. London, Centre for Economic Policy Research. http://www.cepr.org/active/publications/discussion_papers/dp.php?dpno=12490