Inflation, Monetary Velocity, and Welfare
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.
|Date of creation:||Sep 1982|
|Date of revision:|
|Publication status:||published as Krugman, Paul, Torsten Persson and Lars E.O. Svensson. "Inflation, Interest Rates, and Welfare," Quarterly Journal of Economics, Vol. 100, 1985, pp. 6 77-695.|
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- Lucas, Robert E, Jr, 1980. "Equilibrium in a Pure Currency Economy," Economic Inquiry, Western Economic Association International, vol. 18(2), pages 203-20, April.
- Brock, William A., 1975. "A simple perfect foresight monetary model," Journal of Monetary Economics, Elsevier, vol. 1(2), pages 133-150, April.
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