Discounting investments in mitigation and adaptation: a dynamic stochastic general equilibrium approach of climate change
AbstractWe 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 .
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Bibliographic InfoPaper provided by CPB Netherlands Bureau for Economic Policy Analysis in its series CPB Discussion Paper with number 126.
Date of creation: May 2009
Date of revision:
Find related papers by JEL classification:
- G12 - Financial Economics - - General Financial Markets - - - Asset Pricing
- 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
This paper has been announced in the following NEP Reports:
- NEP-ALL-2010-04-17 (All new papers)
- NEP-DGE-2010-04-17 (Dynamic General Equilibrium)
- NEP-ENE-2010-04-17 (Energy Economics)
- NEP-ENV-2010-04-17 (Environmental Economics)
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