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Doing Without Money: Controlling Inflation in a Post-Monetary World

Authors
Disciplines
  • Economics
  • Mathematics

Abstract

This paper shows that it is possible to analyze equilibrium inflation determination without any reference to either money supply or demand, as long as one specifies policy in terms of a "Wicksellian" interest-rate feedback rule. The paper's central result is an approximation theorem, showing the existence, for a simple monetary model, of a well-behaved "cashless limit" in which the money balances held to facilitate transactions become negligible. Inflation in the cashless limit is shown to be a function of the gap between the "natural rate" of interest, determined by the supply of goods and opportunities for intertemporal substitution, and a time-varying parameter of the interest-rate rule indicating the tightness of monetary policy. Inflation can be completely stabilized, in principle, by adjusting the policy parameter to track variation in the natural rate. Under such a regime, instability of money demand has little effect upon equilibrium inflation and need not be monitored by the central bank. (Copyright: Elsevier)

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