This paper defines an efficient rule for monetary policy as one that minimizes a weighted sum of output variance and inflation variance. It derives several results about the efficiency of alternative rules in a simple macroeconomic model. First, efficient rules can be expressed as 'Taylor rules' in which interest rates respond to output and inflation. But the coefficients in efficient Taylor rules differ from the coefficients that fit actual policy in the United States. Second, inflation targets are efficient. Indeed, the set of efficient rules is equivalent to the set of inflation-target policies with different speeds of adjustment. Finally, nominal-income targets are not merely inefficient, but disastrous: they imply that output and inflation have infinite variances.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
5952.
Length: Date of creation: Mar 1997 Date of revision: Handle: RePEc:nbr:nberwo:5952
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Find related papers by JEL classification: E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Robert E. Hall & N. Gregory Mankiw, 1994.
"Nominal Income Targeting,"
NBER Chapters,
in: Monetary Policy, pages 71-94
National Bureau of Economic Research, Inc.
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