The calm policymaker
Determinacy is ensured in the New Keynesian model when firms face imperfect common knowledge, regardless of whether the Taylor principle is satisfied. Strategic complementarity in pricing and idiosyncratic noise in firms’ signals, however small, are together sufficient to eliminate backward-looking solutions without appealing to the assumptions of Blanchard and Kahn (1980). Standard solutions emerge when the Taylor principle is followed, but when the policymaker demurs, the price level — and not just inflation — is stationary. A unique and stable solution also emerges with the interest rate pegged to its steady-state value, in contrast to Sargent and Wallace (1975).
|Date of creation:||24 Mar 2017|
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References listed on IDEAS
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- Mariana García-Schmidt & Michael Woodford, 2015.
"Are Low Interest Rates Deflationary? A Paradox of Perfect-Foresight Analysis,"
NBER Working Papers
21614, National Bureau of Economic Research, Inc.
- García-Schmidt, Mariana & Woodford, Michael, 2015. "Are Low Interest Rates Deflationary? A Paradox of Perfect-Foresight Analysis," CEPR Discussion Papers 10893, C.E.P.R. Discussion Papers.
- McCallum, Bennett T., 2007.
"E-stability vis-a-vis determinacy results for a broad class of linear rational expectations models,"
Journal of Economic Dynamics and Control,
Elsevier, vol. 31(4), pages 1376-1391, April.
- Bennett T. McCallum, 2006. "E-Stability vis-a-vis Determinacy Results for a Broad Class of Linear Rational Expectations Models," NBER Working Papers 12441, National Bureau of Economic Research, Inc.
- Pearlman, Joseph & Currie, David & Levine, Paul, 1986. "Rational expectations models with partial information," Economic Modelling, Elsevier, vol. 3(2), pages 90-105, April.
- Rendahl, Pontus, 2017. "Linear Time Iteration," Economics Series 330, Institute for Advanced Studies.
- Flood, Robert P & Garber, Peter M, 1980. "Market Fundamentals versus Price-Level Bubbles: The First Tests," Journal of Political Economy, University of Chicago Press, vol. 88(4), pages 745-770, August.
- Guido Ascari & Paolo Bonomolo & Hedibert F. Lopes, 2016. "Rational Sunspots," Economics Series Working Papers 787, University of Oxford, Department of Economics.
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