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Title: Time Consistency When Open Market Operations are the Monetary Policy Instrument: Is There Really a Deflation Bias?

Author(s): Neil Rankin

Publication Date: January 2001

Keyword(s): Inflation Bias, Monetary Policy, Open Market Operations, Optimal Seigniorage and Time Consistency

Programme Area(s): International Macroeconomics

Abstract: We re-examine optimal monetary policy in a dynamic general equilibrium model where open market operations are the only policy instrument. The government optimizes purely over private agents? welfare. We use a money-in-the-utility-function approach with a welfare cost of ?current? inflation. Under commitment, for the most plausible specification time inconsistency takes the form of surprise inflation, if there is high initial government debt. Although ?orthodox?, this result contradicts Nicolini?s related analysis, in which surprise deflation is the main finding. Under discretion, we find that the long-run inflation rate is quite likely to be positive, not negative as in Obstfeld?s related analysis.

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Bibliographic Reference

Rankin, N. 2001. 'Time Consistency When Open Market Operations are the Monetary Policy Instrument: Is There Really a Deflation Bias?'. London, Centre for Economic Policy Research. https://cepr.org/active/publications/discussion_papers/dp.php?dpno=2664