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The Lucas Critique, Policy Invariance and Multiple Equilibria

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  • Roger E. A. Farmer

Abstract

The Lucas Critique of Econometric Policy Evaluation argues that the parameters of econometric models are subject to theoretical cross-equation restrictions which follow from the fact that the endogenous variables of the models are chosen optimally by forward-looking agents. In this paper I argue that these facts alone are insufficient to generate such restrictions. I present an example of a model in which there exist multiple stationary rational expectations equilibria one of which is supported by a process-invariant forecast rule. Immunity to the Lucas Critique is proposed as a selection criterion in models with multiple equilibria.

Suggested Citation

  • Roger E. A. Farmer, 1991. "The Lucas Critique, Policy Invariance and Multiple Equilibria," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 58(2), pages 321-332.
    • Handle: RePEc:oup:restud:v:58:y:1991:i:2:p:321-332.
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    File URL: http://hdl.handle.net/10.2307/2297970
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    Cited by:

    1. Bullard, James & Mitra, Kaushik, 2002. "Learning about monetary policy rules," Journal of Monetary Economics, Elsevier, vol. 49(6), pages 1105-1129, September.
    2. Ariane Szafarz, 2015. "Market Efficiency and Crises:Don’t Throw the Baby out with the Bathwater," Bankers, Markets & Investors, ESKA Publishing, issue 139, pages 20-26, November-.
    3. Bentour, El Mostafa, 2013. "Oil Prices, Drought Periods and Growth Forecasts in Morocco," MPRA Paper 52892, University Library of Munich, Germany.
    4. Jess Benhabib & Roger E.A. Farmer, 2000. "The Monetary Transmission Mechanism," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 3(3), pages 523-550, July.
    5. Jesus Vazquez, 2002. "Does the Lucas critique apply during hyperinflation?: empirical evidence from four hyperinflationary episodes," Applied Economics, Taylor & Francis Journals, vol. 34(11), pages 1389-1397.
    6. María José Gutiérrez & Jesús Vázquez, "undated". "The Changing Behavior of the Term Structure of Post-War U.S. Interest Rates and Changes in the Federal Reserve Chairman. Is There a Link?," Working Papers on International Economics and Finance 01-03, FEDEA.
    7. Ariane Szafarz, 2009. "How Did Financial-Crisis-Based Criticisms of Market Efficiency Get It So Wrong?," Working Papers CEB 09-048.RS, ULB -- Universite Libre de Bruxelles.
    8. A L Tiffin & P J Dawson, 1997. "Measuring Oligopolistic Distortion In The Uk Frozen Potato Product Sector: A Calibration Modelling Approach," Journal of Agricultural Economics, Wiley Blackwell, vol. 48(1‐3), pages 300-312, January.
    9. Vázquez Jesús, 2004. "Switching Regimes in the Term Structure of Interest Rates during U.S. Post-War: A Case for the Lucas Proof Equilibrium?," Studies in Nonlinear Dynamics & Econometrics, De Gruyter, vol. 8(1), pages 1-41, March.
    10. Vázquez Pérez, Jesús, 2002. "Switching Regimes in the Term Structure of Interest Rates During U.S. Post-War: A case for the Lucas proof equilibrium?," DFAEII Working Papers 1988-088X, University of the Basque Country - Department of Foundations of Economic Analysis II.
    11. Libero Monteforte & Stefano Siviero, 2010. "The economic consequences of euro-area macro-modelling shortcuts," Applied Economics, Taylor & Francis Journals, vol. 42(19), pages 2399-2415.
    12. Siviero, S. & Terlizzese, D. & Visco, I., 1999. "Are Model-Based Inflation Forecasts Used in Monetary Policymaking? A Case Study," Papers 357, Banca Italia - Servizio di Studi.
    13. Mitra, Kaushik, 2003. "Desirability of Nominal GDP Targeting under Adaptive Learning," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 35(2), pages 197-220, April.
    14. Libero Monteforte & Stefano Siviero, 2002. "The economic consequences of euro area modelling shortcuts," Temi di discussione (Economic working papers) 458, Bank of Italy, Economic Research and International Relations Area.
    15. Farmer, Roger E A, 1991. "Sticky Prices," Economic Journal, Royal Economic Society, vol. 101(409), pages 1369-1379, November.
    16. Roger E. A. Farmer, 1996. "A theory of business cycles," Finnish Economic Papers, Finnish Economic Association, vol. 9(2), pages 91-109, Autumn.
    17. James Bullard & Kaushik Mitra, 2007. "Determinacy, Learnability, and Monetary Policy Inertia," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 39(5), pages 1177-1212, August.

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