The monetary instrument matters

William Gavin (), Benjamin Keen and Michael Pakko

No 2004-026, Working Papers from Federal Reserve Bank of St. Louis

Abstract: This paper revisits the issue of money growth versus the interest rate as the instrument of monetary policy. Using a dynamic stochastic general equilibrium framework, we examine the effects of alternative monetary policy rules on inflation persistence, the information content of monetary data, and real variables. We show that inflation persistence and the variability of inflation relative to money growth depends on whether the central bank follows a money growth rule or an interest rate rule. With a money growth rule, inflation is not persistent and the price level is much more volatile than the money supply. Those counterfactual implications are eliminated by the use of interest rate rules whether prices are sticky or not. A central bank?s utilization of interest rate rules, however, obscures the information content of monetary aggregates and also leads to subtle problems for econometricians trying to estimate money demand functions or to identify shocks to the trend and cycle components of the money stock.

Keywords: Monetary policy; Prices (search for similar items in EconPapers)
Date: 2005
New Economics Papers: this item is included in nep-cba, nep-mac and nep-mon
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Citations: View citations in EconPapers (25)

Published in Federal Reserve Bank of St. Louis Review, September/October 2005, 87(5), pp. 633-58

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