Output gap uncertainty: does it matter for the Taylor rule?
This paper analyses the effect of measurement error in the output gap on efficient monetary policy rules in a simple estimated model of the US economy. While it is a well-known result that such additive uncertainty does not affect the optimal feedback rule in a linear-quadratic framework, it is shown that output gap uncertainty can have a significant effect on the efficient response coefficients in restricted instrument rules such as the popular Taylor rule. Output gap uncertainty reduces the response to the current estimated output gap relative to current inflation and may partly explain why the parameters in estimated Taylor rules are often much lower than suggested by optimal control exercises which assume the state of the economy is known.
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- Henderson, Dale W. & McKibbin, Warwick J., 1993.
"A comparison of some basic monetary policy regimes for open economies: implications of different degrees of instrument adjustment and wage persistence,"
Carnegie-Rochester Conference Series on Public Policy,
Elsevier, vol. 39(1), pages 221-317, December.
- Dale W. Henderson & Warwick J. McKibbin, 1993. "A comparison of some basic monetary policy regimes for open economies: implications of different degrees of instrument adjustment and wage persistence," International Finance Discussion Papers 458, Board of Governors of the Federal Reserve System (U.S.).
- Svensson, L-E-O, 1997.
"Inflation Targeting : Some Extensions,"
625, Stockholm - International Economic Studies.
- Stephen G. Cecchetti, 1997. "Central Bank Policy Rules: Conceptual Issues and Practical Considerations," NBER Working Papers 6306, National Bureau of Economic Research, Inc.
- Stephen G. Cecchetti, 1995.
"Inflation Indicators and Inflation Policy,"
NBER Working Papers
5161, National Bureau of Economic Research, Inc.
- Clark, Peter K., 1989. "Trend reversion in real output and unemployment," Journal of Econometrics, Elsevier, vol. 40(1), pages 15-32, January.
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