The Role of "Determinacy" in Monetary Policy Analysis
AbstractIt is well known that the concept of "determinacy"-a single stable solution-plays a major role in contemporary monetary policy analysis. But while determinacy is desirable, other things equal, it is not necessary for a solution to be plausible and is not sufficient for a solution to be desirable. There is a related but distinct criterion of " learnability" that seems more crucial. This paper argues that recognition of information feasibility requires that a candidate solution must, to be plausible, be quantitatively learnable on the basis of information generated by the economy itself. Since a prominent least- squares (LS) learning process is highly "biased" toward learnability, it is reasonable to regard it as a necessary condition for any specific solution to be relevant. This implies that determinacy is not necessary for policy analysis; there may be more than one stable solution, but only one that is LS learnable. Also, determinacy is not sufficient for satisfactory policy analysis; explosive solutions pertaining to nominal variables will not be eliminated by transversality conditions. For these and other reasons, the role of determinacy in monetary policy analysis should be reconsidered and substantially de-emphasized.
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Bibliographic InfoArticle provided by Institute for Monetary and Economic Studies, Bank of Japan in its journal Monetary and Economic Studies.
Volume (Year): 27 (2009)
Issue (Month): 1 (November)
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Determinacy; Learnability; Rational expectations; Multiple solutions; Monetary policy;
Other versions of this item:
- Bennett T. McCallum, 2009. "The Role of "Determinacy" in Monetary Policy Analysis," IMES Discussion Paper Series 09-E-17, Institute for Monetary and Economic Studies, Bank of Japan.
- C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium
- E4 - Macroeconomics and Monetary Economics - - Money and Interest Rates
- E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
- E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
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- Carlstrom, Charles T. & Fuerst, Timothy S., 2005.
"Investment and interest rate policy: a discrete time analysis,"
Journal of Economic Theory,
Elsevier, vol. 123(1), pages 4-20, July.
- Charles T. Carlstrom & Timothy S. Fuerst, 2003. "Investment and interest rate policy: a discrete time analysis," Working Paper 0320, Federal Reserve Bank of Cleveland.
- Cho, Seonghoon & McCallum, Bennett T., 2009. "Another weakness of "determinacy" as a selection criterion for rational expectations models," Economics Letters, Elsevier, vol. 104(1), pages 17-19, July.
- Bernanke, Ben S & Woodford, Michael, 1997.
"Inflation Forecasts and Monetary Policy,"
Journal of Money, Credit and Banking,
Blackwell Publishing, vol. 29(4), pages 653-84, November.
- Bullard, James & Mitra, Kaushik, 2002.
"Learning about monetary policy rules,"
Journal of Monetary Economics,
Elsevier, vol. 49(6), pages 1105-1129, September.
- Benhabib, Jess & Schmitt-Grohe, Stephanie & Uribe, Martin, 2001.
"The Perils of Taylor Rules,"
Journal of Economic Theory,
Elsevier, vol. 96(1-2), pages 40-69, January.
- Benhabib, Jess & Schmitt-Grohe, Stephanie & Uribe, Martin, 1998. "The Perils of Taylor Rules," Working Papers 98-37, C.V. Starr Center for Applied Economics, New York University.
- Jess Benhabib & Stephanie Schmitt-Grohe & Martin Uribe, 1998. "The perils of Taylor Rules," Departmental Working Papers 199831, Rutgers University, Department of Economics.
- Benhabib, Jess & Schmitt-Grohé, Stephanie & Uribe, Martín, 1999. "The Perils of Taylor Rules," CEPR Discussion Papers 2314, C.E.P.R. Discussion Papers.
- John H. Cochrane, 2011.
"Determinacy and Identification with Taylor Rules,"
Journal of Political Economy,
University of Chicago Press, vol. 119(3), pages 565 - 615.
- 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.
- Kurozumi, Takushi & Van Zandweghe, Willem, 2008. "Investment, interest rate policy, and equilibrium stability," Journal of Economic Dynamics and Control, Elsevier, vol. 32(5), pages 1489-1516, May.
- Bennett McCallum, .
"Multiple-Solution Indeterminacies in Monetary Policy Analysis,"
GSIA Working Papers
2003-E77, Carnegie Mellon University, Tepper School of Business.
- McCallum, Bennett T., 2003. "Multiple-solution indeterminacies in monetary policy analysis," Journal of Monetary Economics, Elsevier, vol. 50(5), pages 1153-1175, July.
- Bennett T. McCallum, 2003. "Multiple-Solution Indeterminacies in Monetary Policy Analysis," NBER Working Papers 9837, National Bureau of Economic Research, Inc.
- James B. Bullard, 2006. "The learnability criterion and monetary policy," Review, Federal Reserve Bank of St. Louis, issue May, pages 203-217.
- Robert G. King, 2000. "The new IS-LM model : language, logic, and limits," Economic Quarterly, Federal Reserve Bank of Richmond, issue Sum, pages 45-103.
- Taylor, John B., 1993. "Discretion versus policy rules in practice," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 39(1), pages 195-214, December.
- Bray, Margaret, 1982. "Learning, estimation, and the stability of rational expectations," Journal of Economic Theory, Elsevier, vol. 26(2), pages 318-339, April.
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