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The animal spirits hypothesis and the Benhabib–Farmer condition for indeterminacy

Listed author(s):
  • Guerrazzi, Marco

This paper provides a self-contained review of the introduction of the animal spirits hypothesis into the infinite horizon optimal‐growth model. The analysis begins with an economic discussion of Pontryagin's maximum principles. Thereafter, I develop a version of the increasing-returns Benhabib–Farmer model by showing the possible sub-optimality of the central planner solution and deriving the bifurcation condition for indeterminacy. Moreover, I give some insights on how to model intrinsic and extrinsic uncertainty. Finally, analyzing the equilibrium condition of the labor market, I provide an intuitive rationale for the mechanism that in this model might lead prophecies to be self-fulfilling.

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File URL: http://www.sciencedirect.com/science/article/pii/S0264999312001186
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Article provided by Elsevier in its journal Economic Modelling.

Volume (Year): 29 (2012)
Issue (Month): 4 ()
Pages: 1489-1497

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Handle: RePEc:eee:ecmode:v:29:y:2012:i:4:p:1489-1497
DOI: 10.1016/j.econmod.2012.04.024
Contact details of provider: Web page: http://www.elsevier.com/locate/inca/30411

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  2. Farmer, Roger E.A. & Woodford, Michael, 1997. "Self-Fulfilling Prophecies And The Business Cycle," Macroeconomic Dynamics, Cambridge University Press, vol. 1(04), pages 740-769, December.
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  4. Roger E.A. Farmer & Jang Ting Guo, 1992. "Real Business Cycles and the Animal Spirits Hypothesis," UCLA Economics Working Papers 680, UCLA Department of Economics.
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  10. S. Rao Aiyagari, 1995. "Comments on Farmer and Guo's "The econometrics of indeterminacy: an applied study."," Working Papers 543, Federal Reserve Bank of Minneapolis.
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  20. Tjalling C. Koopmans, 1963. "Appendix to 'On the Concept of Optimal Economic Growth'," Cowles Foundation Discussion Papers 163A, Cowles Foundation for Research in Economics, Yale University.
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  22. Robert E. Hall, 1991. "Labor Demand, Labor Supply, and Employment Volatility," NBER Chapters, in: NBER Macroeconomics Annual 1991, Volume 6, pages 17-62 National Bureau of Economic Research, Inc.
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  30. Christopher A. Pissarides, 2000. "Equilibrium Unemployment Theory, 2nd Edition," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262161877, September.
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