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Policymaking for Posterity

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  • Summers, Lawrence

    (Harvard U)

  • Zeckhauser, Richard

    (Harvard U)

Abstract

Policymaking for posterity involves current decisions with distant consequences. Contrary to conventional prescriptions, we conclude that the greater wealth of future generations may strengthen the case for preserving environmental amenities; lower discount rates should be applied to the far future, and special effort should be made to avoid actions that impose costs on future generations. Posterity brings great uncertainties. Even massive losses, such as human extinction, however, do not merit infinite negative utility. Given learning, greater uncertainties about damages could increase or decrease the optimal level of current mitigation activities. Policies for posterity should anticipate effects on: alternative investments, both public and private; the actions of other nations; and the behaviors of future generations. Such effects may surprise. This analysis blends traditional public finance and behavioral economics with a number of hypothetical choice problems.

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Paper provided by Harvard University, John F. Kennedy School of Government in its series Working Paper Series with number rwp08-040.

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Date of creation: Aug 2008
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Handle: RePEc:ecl:harjfk:rwp08-040

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  1. Gollier & Jullien & Treich, 2000. "Scientific progress and irreversibility : an economic interpretation of the Precautionary principle," Working Papers 156240, Institut National de la Recherche Agronomique, France.
  2. Cropper, Maureen L & Aydede, Sema K & Portney, Paul R, 1994. "Preferences for Life Saving Programs: How the Public Discounts Time and Age," Journal of Risk and Uncertainty, Springer, vol. 8(3), pages 243-65, May.
  3. Amos Tversky & Daniel Kahneman, 1979. "Prospect Theory: An Analysis of Decision under Risk," Levine's Working Paper Archive 7656, David K. Levine.
  4. Martin L. Weitzman, 2007. "A Review of the Stern Review on the Economics of Climate Change," Journal of Economic Literature, American Economic Association, vol. 45(3), pages 703-724, September.
  5. Shane Frederick & George Loewenstein & Ted O'Donoghue, 2002. "Time Discounting and Time Preference: A Critical Review," Journal of Economic Literature, American Economic Association, vol. 40(2), pages 351-401, June.
  6. Gollier, Christian, 2008. "Discounting with Fat-Tailed Economic Growth," IDEI Working Papers 523, Institut d'Économie Industrielle (IDEI), Toulouse.
  7. Christian Gollier, 2001. "Should we beware of the Precautionary Principle?," Economic Policy, CEPR & CES & MSH, vol. 16(33), pages 301-328, October.
  8. William D. Nordhaus, 2007. "A Review of the Stern Review on the Economics of Climate Change," Journal of Economic Literature, American Economic Association, vol. 45(3), pages 686-702, September.
  9. Gollier, Christian & Treich, Nicolas, 2003. " Decision-Making under Scientific Uncertainty: The Economics of the Precautionary Principle," Journal of Risk and Uncertainty, Springer, vol. 27(1), pages 77-103, August.
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