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On the Indeterminacy of Determinacy and Indeterminacy

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  • Farmer, Roger
  • Beyer, Andreas

Abstract

A number of authors have attempted to test whether the US economy is in a determinate or an indeterminate equilibrium. We argue that to answer this question, one must impose a priori restrictions on lag length that cannot be tested. We provide examples of two economic models. Model 1 displays an indeterminate equilibrium, driven by sunspots. Model 2 displays a determinate equilibrium driven by fundamentals. Both models have the same likelihood function and are therefore observationally equivalent.

Suggested Citation

  • Farmer, Roger & Beyer, Andreas, 2003. "On the Indeterminacy of Determinacy and Indeterminacy," CEPR Discussion Papers 4101, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:4101
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    References listed on IDEAS

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    1. Benhabib Jess & Farmer Roger E. A., 1994. "Indeterminacy and Increasing Returns," Journal of Economic Theory, Elsevier, vol. 63(1), pages 19-41, June.
    2. Richard Clarida & Jordi Galí & Mark Gertler, 2000. "Monetary Policy Rules and Macroeconomic Stability: Evidence and Some Theory," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 115(1), pages 147-180.
    3. Harold L. Cole & Lee E. Ohanian, 1999. "Aggregate returns to scale: why measurement is imprecise," Quarterly Review, Federal Reserve Bank of Minneapolis, vol. 23(Sum), pages 19-28.
    4. Lubik, Thomas A. & Schorfheide, Frank, 2003. "Computing sunspot equilibria in linear rational expectations models," Journal of Economic Dynamics and Control, Elsevier, vol. 28(2), pages 273-285, November.
    5. Farmer Roger E. A. & Guo Jang-Ting, 1994. "Real Business Cycles and the Animal Spirits Hypothesis," Journal of Economic Theory, Elsevier, vol. 63(1), pages 42-72, June.
    6. Farmer, Roger E. A. & Jang-Ting, Guo, 1995. "The econometrics of indeterminacy: an applied study," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 43(1), pages 225-271, December.
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    Citations

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    Cited by:

    1. John H. Cochrane, 2011. "Determinacy and Identification with Taylor Rules," Journal of Political Economy, University of Chicago Press, vol. 119(3), pages 565-615.
    2. Carrillo, Julio A. & Fève, Patrick, 2004. "Some Perils of Policy Rule Regression," IDEI Working Papers 301, Institut d'Économie Industrielle (IDEI), Toulouse.
    3. Mark Weder, 2006. "A heliocentric journey into Germany's Great Depression," Oxford Economic Papers, Oxford University Press, vol. 58(2), pages 288-316, April.
    4. Shea, Paul, 2008. "Real-time rational expectations and indeterminacy," Economics Letters, Elsevier, vol. 99(3), pages 530-533, June.
    5. Batini, Nicoletta & Justiniano, Alejandro & Levine, Paul & Pearlman, Joseph, 2006. "Robust inflation-forecast-based rules to shield against indeterminacy," Journal of Economic Dynamics and Control, Elsevier, vol. 30(9-10), pages 1491-1526.
    6. Patrick Fève, 2005. "Voies de la modélisation macro-économétrique?," Revue Française d'Économie, Programme National Persée, vol. 20(1), pages 147-179.
    7. Ascari, Guido & Rankin, Neil, 2007. "Perpetual youth and endogenous labor supply: A problem and a possible solution," Journal of Macroeconomics, Elsevier, vol. 29(4), pages 708-723, December.
    8. Jean-Bernard Chatelain & Kirsten Ralf, 2018. "The Indeterminacy of Determinacy with Fiscal, Macro-prudential or Taylor Rules," Working Papers halshs-01877766, HAL.
    9. Chadha, J.S. & Corrado, L., 2007. "On the Determinacy of Monetary Policy under Expectational Errors," Cambridge Working Papers in Economics 0722, Faculty of Economics, University of Cambridge.
    10. Fève, Patrick, 2004. "Indeterminacy Produces Determinacy," IDEI Working Papers 333, Institut d'Économie Industrielle (IDEI), Toulouse.
    11. Timothy Cogley & Giorgio E. Primiceri & Thomas J. Sargent, 2010. "Inflation-Gap Persistence in the US," American Economic Journal: Macroeconomics, American Economic Association, vol. 2(1), pages 43-69, January.
    12. Beyer, Andreas & Farmer, Roger E. A., 2006. "A method to generate structural impulse-responses for measuring the effects of shocks in structural macro models," Working Paper Series 586, European Central Bank.
    13. Jagjit S. Chadha & Luisa Corrado, 2006. "On the Determinacy of Monetary Policy under Expectational Errors," CDMA Working Paper Series 200603, Centre for Dynamic Macroeconomic Analysis, revised 15 Apr 2007.

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    More about this item

    Keywords

    Identification; Indeterminacy;

    JEL classification:

    • C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium
    • D51 - Microeconomics - - General Equilibrium and Disequilibrium - - - Exchange and Production Economies

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