CLIMATE POLICY WHEN THE DISTANT FUTURE MATTERS: CATASTROPHIC EVENTS WITH HYPERBOLIC DISCOUNTING

Larry Karp and Yacov Tsur

No 7181, Discussion Papers from Hebrew University of Jerusalem, Department of Agricultural Economics and Management

Abstract: Low probability catastrophic climate change can have a signifcant influence on policy under hyperbolic discounting. We compare the set of Markov Perfect Equilibria (MPE) to the optimal policy under time-consistent commitment. For some initial levels of risk there are multiple MPE; these may involve either excessive or insufficient stabilization effort. These results imply that even if the free-rider problem amongst contemporaneous decision-makers were solved, there may remain a coordination problem amongst successive generations of decision-makers. A numerical example shows that under plausible conditions society should respond vigorously to the threat of climate change.

Keywords: Environmental; Economics; and; Policy (search for similar items in EconPapers)
Pages: 52
Date: 2007
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Citations: View citations in EconPapers (3)

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https://ageconsearch.umn.edu/record/7181/files/dp070005.pdf (application/pdf)

Related works:
Working Paper: Climate Policy When the Distant Future Matters: Catastrophic Events with Hyperbolic Discounting (2007)
Working Paper: Climate Policy When the Distant Future Matters: Catastrophic Events with Hyperbolic Discounting (2007)
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Persistent link: https://EconPapers.repec.org/RePEc:ags:huaedp:7181

DOI: 10.22004/ag.econ.7181

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