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Discounting investments in mitigation and adaptation: a dynamic stochastic general equilibrium approach of climate change

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  • Rob Aalbers

    () (CPB Netherlands Bureau for Economic Policy Analysis)

Abstract

We use a dynamic stochastic general equilibrium model to determine efficient discount rates for climate (mitigation and adaptation) and non-climate investment in the face of climate change. Our main result is that the non-diversifiable risk in the economy may be related to both shocks in aggregate wealth and shocks in global average temperature. Therefore, both aggregate wealth and global average temperature will carry a risk premium reflecting their contribution to the total amount of non-diversifiable risk. We characterize both climate and non-climate investments by means of a contingent claim and show that climate and non-climate investments will in general be discounted at different rates. We discuss the conditions under which the discount rates of climate investments will be lower than the discount rate of non-climate investments. September 2013 : There is an updated version of this paper availlable, read CPB Discussion Paper 257 .

Suggested Citation

  • Rob Aalbers, 2009. "Discounting investments in mitigation and adaptation: a dynamic stochastic general equilibrium approach of climate change," CPB Discussion Paper 126, CPB Netherlands Bureau for Economic Policy Analysis.
  • Handle: RePEc:cpb:discus:126
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    References listed on IDEAS

    as
    1. Merton, Robert C., 1977. "On the pricing of contingent claims and the Modigliani-Miller theorem," Journal of Financial Economics, Elsevier, vol. 5(2), pages 241-249, November.
    2. Breeden, Douglas T., 1979. "An intertemporal asset pricing model with stochastic consumption and investment opportunities," Journal of Financial Economics, Elsevier, vol. 7(3), pages 265-296, September.
    3. Andreoni, James & Levinson, Arik, 2001. "The simple analytics of the environmental Kuznets curve," Journal of Public Economics, Elsevier, vol. 80(2), pages 269-286, May.
    4. 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.
    5. Gilles Lafforgue, 2005. "Uncertainty and Amenity Values in Renewable Resource Economics," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 31(3), pages 369-383, July.
    6. Ben Groom & Cameron Hepburn & Phoebe Koundouri & David Pearce, 2005. "Declining Discount Rates: The Long and the Short of it," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 32(4), pages 445-493, December.
    7. 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.
    8. Nicholas Stern, 2008. "The Economics of Climate Change," American Economic Review, American Economic Association, vol. 98(2), pages 1-37, May.
    9. Melissa Dell & Benjamin F. Jones & Benjamin A. Olken, 2008. "Climate Change and Economic Growth: Evidence from the Last Half Century," NBER Working Papers 14132, National Bureau of Economic Research, Inc.
    10. Geoffrey Heal, 2008. "Climate Economics: A Meta-Review and Some Suggestions," NBER Working Papers 13927, National Bureau of Economic Research, Inc.
    11. Weitzman, Martin L., 1998. "Why the Far-Distant Future Should Be Discounted at Its Lowest Possible Rate," Journal of Environmental Economics and Management, Elsevier, vol. 36(3), pages 201-208, November.
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    Cited by:

    1. Heuson, Clemens & Gawel, Erik & Gebhardt, Oliver & Hansjürgens, Bernd & Lehmann, Paul & Meyer, Volker & Schwarze, Reimund, 2012. "Ökonomische Grundfragen der Klimaanpassung: Umrisse eines neuen Forschungsprogramms," UFZ Reports 02/2012, Helmholtz Centre for Environmental Research (UFZ).
    2. Heuson, Clemens & Gawel, Erik & Gebhardt, Oliver & Hansjürgens, Bernd & Lehmann, Paul & Meyer, Volker & Schwarze, Reimund, 2012. "Fundamental questions on the economics of climate adaptation: Outlines of a new research programme," UFZ Reports 05/2012, Helmholtz Centre for Environmental Research (UFZ).
    3. repec:eee:jeeman:v:87:y:2018:i:c:p:258-274 is not listed on IDEAS
    4. Dietz, Simon & Gollier, Christian & Kessler, Louise, 2015. "The climate beta," IDEI Working Papers 856, Institut d'Économie Industrielle (IDEI), Toulouse.

    More about this item

    JEL classification:

    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • H43 - Public Economics - - Publicly Provided Goods - - - Project Evaluation; Social Discount Rate
    • Q5 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming

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