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Accounting for Different Uncertainties: Implications for Climate Investments?

  • Svenja Hector()

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    The paper clarifies the link between changes in risk aversion and the effect on the consumption discount rate. In a general framework that can cope with various forms of uncertainty, it is shown that the response of the consumption discount rate to a change in risk aversion depends on some fundamental properties of the considered uncertainties. The application of this general result to specific forms of uncertainty extends existing results to more general forms of risk and yields a new result on preference uncertainty.

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    File URL: ftp://web.sg.ethz.ch/RePEc/stz/wpaper/pdf/ETH-RC-13-007.pdf
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    Paper provided by ETH Zurich, Chair of Systems Design in its series Working Papers with number ETH-RC-13-007.

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    Handle: RePEc:stz:wpaper:eth-rc-13-007
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    1. Crost, Benjamin & Traeger, Christian P., 2011. "Risk and aversion in the integrated assessment of climate change," Department of Agricultural & Resource Economics, UC Berkeley, Working Paper Series qt1562s275, Department of Agricultural & Resource Economics, UC Berkeley.
    2. Alain Le Kama & Katheline Schubert, 2004. "Growth, Environment and Uncertain Future Preferences," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 28(1), pages 31-53, May.
    3. Kihlstrom, Richard E. & Mirman, Leonard J., 1974. "Risk aversion with many commodities," Journal of Economic Theory, Elsevier, vol. 8(3), pages 361-388, July.
    4. Kimball, M. & Weil, P., 1991. "Precautionary Savings and Consumption Smoothing Across Time and Possibilities," Harvard Institute of Economic Research Working Papers 1563, Harvard - Institute of Economic Research.
    5. Chew, Soo Hong & Epstein, Larry G., 1990. "Nonexpected utility preferences in a temporal framework with an application to consumption-savings behaviour," Journal of Economic Theory, Elsevier, vol. 50(1), pages 54-81, February.
    6. Selden, Larry, 1978. "A New Representation of Preferences over "Certain A Uncertain" Consumption Pairs: The "Ordinal Certainty Equivalent" Hypothesis," Econometrica, Econometric Society, vol. 46(5), pages 1045-60, September.
    7. Christian Traeger, 2014. "Why uncertainty matters: discounting under intertemporal risk aversion and ambiguity," Economic Theory, Springer, vol. 56(3), pages 627-664, August.
    8. Miles S. Kimball, 1989. "Precautionary Saving in the Small and in the Large," NBER Working Papers 2848, National Bureau of Economic Research, Inc.
    9. DREZE, Jacques H. & MODIGLIANI, Franco, . "Cosumption decisions under uncertainty," CORE Discussion Papers RP -119, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    10. Bommier, Antoine & Chassagnon, Arnold & Le Grand, François, 2012. "Comparative risk aversion: A formal approach with applications to saving behavior," Journal of Economic Theory, Elsevier, vol. 147(4), pages 1614-1641.
    11. Epstein, Larry G & Zin, Stanley E, 1989. "Substitution, Risk Aversion, and the Temporal Behavior of Consumption and Asset Returns: A Theoretical Framework," Econometrica, Econometric Society, vol. 57(4), pages 937-69, July.
    12. Minh Ha-Duong & Nicolas Treich, 2004. "Risk aversion, intergenerational equity and climate change," Post-Print halshs-00000680, HAL.
    13. Keith C. Knapp & Lars J. Olson, 1996. "Dynamic Resource Management: Intertemporal Substitution and Risk Aversion," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 78(4), pages 1004-1014.
    14. David M Kreps & Evan L Porteus, 1978. "Temporal Resolution of Uncertainty and Dynamic Choice Theory," Levine's Working Paper Archive 625018000000000009, David K. Levine.
    15. repec:hal:journl:hal-00267891 is not listed on IDEAS
    16. Alain Ayong Le Kama, 2012. "Preservation and Endogenous Uncertain Future Preferences," Working Papers 1204, Chaire Economie du Climat.
    17. Han Bleichrodt & Louis Eeckhoudt, 2005. "Saving under rank-dependent utility," Economic Theory, Springer, vol. 25(2), pages 505-511, 02.
    18. Chichilnisky, Graciela & Beltratti, Andrea & Heal, Geoffrey, 1998. "Uncertain future preferences and conservation," MPRA Paper 7912, University Library of Munich, Germany.
    19. Gollier, Christian, 2002. "Discounting an uncertain future," Journal of Public Economics, Elsevier, vol. 85(2), pages 149-166, August.
    20. Epaulard, Anne & Pommeret, Aude, 2003. "Optimally eating a stochastic cake: a recursive utility approach," Resource and Energy Economics, Elsevier, vol. 25(2), pages 129-139, May.
    21. Maria Cunha-E-Sá & Clara Costa-Duarte, 2000. "Endogenous Future Preferences and Conservation," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 16(2), pages 253-262, June.
    22. Ravi Bansal & Amir Yaron, 2000. "Risks for the Long Run: A Potential Resolution of Asset Pricing Puzzles," NBER Working Papers 8059, National Bureau of Economic Research, Inc.
    23. Yongyang Cai & Kenneth L. Judd & Thomas S. Lontzek, 2013. "The Social Cost of Stochastic and Irreversible Climate Change," NBER Working Papers 18704, National Bureau of Economic Research, Inc.
    24. Frank Ackerman & Elizabeth Stanton & Ramón Bueno, 2013. "Epstein–Zin Utility in DICE: Is Risk Aversion Irrelevant to Climate Policy?," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 56(1), pages 73-84, September.
    25. Christian P. Traeger, 2009. "Recent Developments in the Intertemporal Modeling of Uncertainty," Annual Review of Resource Economics, Annual Reviews, vol. 1(1), pages 261-285, 09.
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