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Inflation, Monetary Velocity, and Welfare

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Author Info
Paul R. Krugman
Torsten Persson
Lars E.O. Svensson

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Abstract

This paper develops a simple general equilibrium model of a monetary economy with a capital market, in which monetary demand arises from a "cash-in-advance" constraint rather than from any direct role in the utility function. Uncertainty gives rise to a meaningful portfolio choice between money and bonds. We show that monetary velocity is increasing in the rate of inflation, and that the optimal monetary policy is that which maximizes real balances. We also show that the real rate of interest is not invariant to monetary policy: inflation lowers the real rate.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 0987.

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Date of creation: Sep 1982
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Handle: RePEc:nbr:nberwo:0987

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  1. Brock, William A., 1975. "A simple perfect foresight monetary model," Journal of Monetary Economics, Elsevier, vol. 1(2), pages 133-150, April. [Downloadable!] (restricted)
  2. Lucas, Robert E, Jr, 1980. "Equilibrium in a Pure Currency Economy," Economic Inquiry, Oxford University Press, vol. 18(2), pages 203-20, April.
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This page was last updated on 2009-12-18.

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