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Dark Clouds or Silver Linings? Knightian Uncertainty and Climate Change

  • Chen, Yu-Fu
  • Funke, Michael
  • Glanemann, Nicole

This paper examines the impact of Knightian uncertainty upon optimal climate policy through the prism of a continuous-time real option modelling framework. We analytically determine optimal intertemporal climate policies under ambiguous assessments of climate damages. Additionally, numerical simulations are provided to illustrate the properties of the model. The results indicate that increasing Knightian uncertainty accelerates climate policy, i.e. policy makers become more reluctant to postpone the timing of climate policies into the future.

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File URL: http://repo.sire.ac.uk/handle/10943/352
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Paper provided by Scottish Institute for Research in Economics (SIRE) in its series SIRE Discussion Papers with number 2011-64.

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Date of creation: 2011
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Handle: RePEc:edn:sirdps:352
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  1. Takao Asano, 2010. "Precautionary Principle and the Optimal Timing of Environmental Policy Under Ambiguity," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 47(2), pages 173-196, October.
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  8. Michael Funke & Michael Paetz, 2007. "Environmental Policy Under Model Uncertainty: A Robust Optimal Control Approach," Quantitative Macroeconomics Working Papers 20703, Hamburg University, Department of Economics.
  9. Weitzman, Martin L., 2009. "Additive Damages, Fat-Tailed Climate Dynamics, and Uncertain Discounting," Economics Discussion Papers 2009-26, Kiel Institute for the World Economy.
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  12. Nishimura, Kiyohiko G. & Ozaki, Hiroyuki, 2007. "Irreversible investment and Knightian uncertainty," Journal of Economic Theory, Elsevier, vol. 136(1), pages 668-694, September.
  13. Richard Tol, 2002. "Estimates of the Damage Costs of Climate Change. Part 1: Benchmark Estimates," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 21(1), pages 47-73, January.
  14. Gilboa, Itzhak & Schmeidler, David, 1989. "Maxmin expected utility with non-unique prior," Journal of Mathematical Economics, Elsevier, vol. 18(2), pages 141-153, April.
  15. Ottmar Edenhofer , Brigitte Knopf, Terry Barker, Lavinia Baumstark, Elie Bellevrat, Bertrand Chateau, Patrick Criqui, Morna Isaac, Alban Kitous, Socrates Kypreos, Marian Leimbach, Kai Lessmann, Bertra, 2010. "The Economics of Low Stabilization: Model Comparison of Mitigation Strategies and Costs," The Energy Journal, International Association for Energy Economics, vol. 0(Special I).
  16. Brennan, Michael J. & Schwartz, Eduardo S., 1978. "Finite Difference Methods and Jump Processes Arising in the Pricing of Contingent Claims: A Synthesis," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 13(03), pages 461-474, September.
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