Monetary policy when wages are downwardly rigid: Friedman meets Tobin

Jinill Kim, Francisco J. Ruge-Murcia

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Monetary policy in an economy with both downwardly rigid wages and a transaction motive for money demand is studied using a dynamic stochastic general equilibrium model. The two key features of the model imply that both Tobin's "inflation grease" argument and Friedman's rule are operative, and so optimal inflation may be positive or negative. The Simulated Method of Moments is used to estimate the nonlinear model based on its second-order approximation. Results indicate that the Ramsey policy that maximizes social welfare involves an average inflation rate of about 0.4% per year. In the more realistic case where a central banker follows a simple targeting policy, the optimal inflation target is about 1% per year. We view this result as providing support for the low, but strictly positive, inflation targets used in many countries.

Original languageEnglish
Pages (from-to)2064-2077
Number of pages14
JournalJournal of Economic Dynamics and Control
Volume35
Issue number12
DOIs
Publication statusPublished - 2011 Dec 1

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Monetary Policy
Wages
Inflation
Lubricating greases
Method of moments
Money Demand
Second-order Approximation
Target
General Equilibrium
Equilibrium Model
Method of Moments
Strictly positive
Stochastic Dynamics
Welfare
Transactions
Nonlinear Model
Maximise
Inflation target
Monetary policy
Model-based

Keywords

  • Asymmetric effects of monetary policy
  • Downward nominal wage rigidity
  • Nonlinear dynamics
  • Optimal inflation

ASJC Scopus subject areas

  • Economics and Econometrics
  • Control and Optimization
  • Applied Mathematics

Cite this

Monetary policy when wages are downwardly rigid : Friedman meets Tobin. / Kim, Jinill; Ruge-Murcia, Francisco J.

In: Journal of Economic Dynamics and Control, Vol. 35, No. 12, 01.12.2011, p. 2064-2077.

Research output: Contribution to journalArticle

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