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How productive is optimism? the Impact of ambiguity on the "big push"

  • David Kelsey

    ()

    (University of Exeter)

  • Wei Pang

    ()

    (Kingston University)

The paper finds that sufficient ambiguity leads to the uniqueness of equilibrium in macroeconomic coordination games. The results have a Keynesian flavour: sufficient optimism gives rise to a Pareto-optimal equilibrium; and sufficient pessimism results in a Pareto-inferior equilibrium. This analysis is applied to a "Big Push" model from the economic growth literature.

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File URL: http://www.accessecon.com/Pubs/EB/2010/Volume30/EB-10-V30-I1-P80.pdf
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Article provided by AccessEcon in its journal Economics Bulletin.

Volume (Year): 30 (2010)
Issue (Month): 1 ()
Pages: 855-865

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Handle: RePEc:ebl:ecbull:eb-10-00074
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  1. Shleifer, Andrei & Vishny, Robert W., 1988. "The Efficiency of Investment in the Presence of Aggregate Demand Spillovers," Scholarly Articles 3725553, Harvard University Department of Economics.
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  4. Dow, James & Werlang, Sérgio Ribeiro da Costa, 1992. "Nash equilibrium under knightian uncertainty: breaking-down backward induction," Economics Working Papers (Ensaios Economicos da EPGE) 186, FGV/EPGE Escola Brasileira de Economia e Finanças, Getulio Vargas Foundation (Brazil).
  5. David Schmeidler, 1989. "Subjective Probability and Expected Utility without Additivity," Levine's Working Paper Archive 7662, David K. Levine.
  6. Fatas, Antonio & Metrick, Andrew, 1997. "Irreversible Investment and Strategic Interaction," Economica, London School of Economics and Political Science, vol. 64(253), pages 31-47, February.
  7. Eichberger, Jurgen & Kelsey, David, 2000. "Non-Additive Beliefs and Strategic Equilibria," Games and Economic Behavior, Elsevier, vol. 30(2), pages 183-215, February.
  8. Cooper, Russell & John, Andrew, 1988. "Coordinating Coordination Failures in Keynesian Models," The Quarterly Journal of Economics, MIT Press, vol. 103(3), pages 441-63, August.
  9. Heath, Chip & Tversky, Amos, 1991. " Preference and Belief: Ambiguity and Competence in Choice under Uncertainty," Journal of Risk and Uncertainty, Springer, vol. 4(1), pages 5-28, January.
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