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Evaluation of the DICE climate-economy integrated assessment


  • Greaves, Gerry


Climate-economy integrated assessment models are often used to assess the interaction between climate change effects and the economy. A simple but powerful model, DICE (Dynamic Integrated Climate-Economy) model, was developed at Yale. This is an easily accessible model that allows exploration of various parameters that affect long-term (years 2000-2300) climate change. The global economic model estimates the future growth of economic output tempered by abatement costs and climate change damages. It uses an optimization scheme to determine the CO2eq price over time that maximizes discounted utility of consumption. However, there are a few areas that may be improved. This paper addresses those areas. First, a model of renewable energy that explicitly accounts for the capital required for the transition is added. This has the effect of smoothing the beginning of the transition, and shows that we can afford the transition. Second, a modified damage function is used that shows a greater penalty for business as usual. Third, the growth model used in DICE results in a level of economic growth too high to be supported by historical data. A modified growth model is proposed based primarily on historical data from the Penn World Table that results in lower growth and a more rapid decline in growth rate.

Suggested Citation

  • Greaves, Gerry, 2015. "Evaluation of the DICE climate-economy integrated assessment," MPRA Paper 64588, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:64588

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    References listed on IDEAS

    1. Robert C. Feenstra & Robert Inklaar & Marcel P. Timmer, 2015. "The Next Generation of the Penn World Table," American Economic Review, American Economic Association, vol. 105(10), pages 3150-3182, October.
    2. repec:bla:manchs:v:85:y:2017:i:s2:p:e16-e44 is not listed on IDEAS
    3. Armon Rezai & Frederick Van Der Ploeg, 2017. "Abandoning Fossil Fuel: How Fast and How Much," Manchester School, University of Manchester, vol. 85(S2), pages 16-44, December.
    4. Ackerman, Frank & Stanton, Elizabeth A., 2012. "Climate risks and carbon prices: Revising the social cost of carbon," Economics - The Open-Access, Open-Assessment E-Journal, Kiel Institute for the World Economy (IfW), vol. 6, pages 1-25.
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    More about this item


    economic growth; energy; climate;

    JEL classification:

    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models
    • O44 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - Environment and Growth
    • Q43 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Energy and the Macroeconomy
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming

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