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The Quantity Theory of Money is Valid. The New Keynesians are Wrong!

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  • Hillinger, Claude
  • Süssmuth, Bernd

Abstract

We test the quantity theory of money (QTM) using a novel approach and a large new sample. We do not follow the usual approach of first differentiating the logarithm of the Cambridge equation to obtain an equation relating the growth rate of real GDP, the growth rate of money and inflation. These variables must then again be ‘integrated’ by averaging in order to obtain stable relationships. Instead we suggest a much simpler procedure for testing directly the stability of the coefficient of the Cambridge equation. For 125 countries and post-war data we find the coefficient to be surprisingly stable. We do not select for high inflation episodes as was done in most empirical studies; inflation rates do not even appear in our data set. Much work supporting the QTM has been done by economic historians and at the University of Chicago by Milton Friedman and his associates. The QTM was a foundation stone of the monetarist revolution. Subsequently belief in it waned. The currently dominant New Keynesian School, implicitly or explicitly denies the validity of the QTM. We survey this history and argue that the QTM is valid and New Keynesians are wrong.

Suggested Citation

  • Hillinger, Claude & Süssmuth, Bernd, 2008. "The Quantity Theory of Money is Valid. The New Keynesians are Wrong!," Discussion Papers in Economics 6987, University of Munich, Department of Economics.
  • Handle: RePEc:lmu:muenec:6987
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    File URL: https://epub.ub.uni-muenchen.de/6987/1/QT-2.pdf
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    References listed on IDEAS

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    1. Jürgen von Hagen, 2004. "Hat die Geldmenge ausgedient?," Perspektiven der Wirtschaftspolitik, Verein für Socialpolitik, vol. 5(4), pages 423-453, November.
    2. V. V. Chari & Patrick J. Kehoe & Ellen R. McGrattan, 2009. "New Keynesian Models: Not Yet Useful for Policy Analysis," American Economic Journal: Macroeconomics, American Economic Association, vol. 1(1), pages 242-266, January.
    3. Giordani Paolo, 2003. "On Modeling the Effects of Inflation Shocks: Comments and Some Further Evidence," The B.E. Journal of Macroeconomics, De Gruyter, vol. 3(1), pages 1-15, January.
    4. Milton Friedman, 1961. "The Lag in Effect of Monetary Policy," Journal of Political Economy, University of Chicago Press, vol. 69, pages 447-447.
    5. Fair Ray C, 2002. "On Modeling the Effects of Inflation Shocks," The B.E. Journal of Macroeconomics, De Gruyter, vol. 2(1), pages 1-21, April.
    6. Olivier Blanchard, 2009. "The State of Macro," Annual Review of Economics, Annual Reviews, vol. 1(1), pages 209-228, May.
    7. R. W. Hafer, 2001. "What remains of monetarism?," Economic Review, Federal Reserve Bank of Atlanta, issue Q4, pages 13-33.
    8. Gerald P. Dwyer & R. W. Hafer, 1999. "Are money growth and inflation still related?," Economic Review, Federal Reserve Bank of Atlanta, issue Q2, pages 32-43.
    9. George T. McCandless & Warren E. Weber, 1995. "Some monetary facts," Quarterly Review, Federal Reserve Bank of Minneapolis, issue Sum, pages 2-11.
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    More about this item

    Keywords

    new Keynesian theory; quantity theory of money;

    JEL classification:

    • B22 - Schools of Economic Thought and Methodology - - History of Economic Thought since 1925 - - - Macroeconomics
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E41 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Demand for Money
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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