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The Signal Extraction Problem Revisited: A Note On Its Impact On A Model Of Monetary Policy

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  • Keen, Benjamin D.

Abstract

This paper develops a dynamic stochastic general equilibrium (DSGE) model with sticky prices and sticky wages, in which agents have imperfect information on the stance and direction of monetary policy. Agents respond by using Kalman filtering to unravel persistent and temporary monetary policy changes in order to form optimal forecasts of future policy actions. Our results show that a New Keynesian model with imperfect information and real rigidities can account for several key effects of an expansionary monetary policy shock: the hump-shaped increase in output, the delayed and gradual rise in inflation, and the fall in the nominal interest rate.

Suggested Citation

  • Keen, Benjamin D., 2010. "The Signal Extraction Problem Revisited: A Note On Its Impact On A Model Of Monetary Policy," Macroeconomic Dynamics, Cambridge University Press, vol. 14(3), pages 405-426, June.
    • Handle: RePEc:cup:macdyn:v:14:y:2010:i:03:p:405-426_09
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    Cited by:

    1. Tsuruga, Takayuki, 2007. "The hump-shaped behavior of inflation and a dynamic externality," European Economic Review, Elsevier, vol. 51(5), pages 1107-1125, July.
    2. Trabandt, Mathias, 2003. "Sticky Information vs. Sticky Prices : A Horse Race in a DSGE Framework," SFB 373 Discussion Papers 2003,41, Humboldt University of Berlin, Interdisciplinary Research Project 373: Quantification and Simulation of Economic Processes.
    3. Del Negro, Marco & Eusepi, Stefano, 2011. "Fitting observed inflation expectations," Journal of Economic Dynamics and Control, Elsevier, vol. 35(12), pages 2105-2131.
    4. N. Gregory Mankiw & Ricardo Reis, 2007. "Sticky Information in General Equilibrium," Journal of the European Economic Association, MIT Press, vol. 5(2-3), pages 603-613, 04-05.
    5. Henzel, Steffen R., 2013. "Fitting survey expectations and uncertainty about trend inflation," Journal of Macroeconomics, Elsevier, vol. 35(C), pages 172-185.
    6. Baxter, Brad & Graham, Liam & Wright, Stephen, 2011. "Invertible and non-invertible information sets in linear rational expectations models," Journal of Economic Dynamics and Control, Elsevier, vol. 35(3), pages 295-311, March.

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