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The 2008 WITCH Model: New Model Features and Baseline

Author

Listed:
  • Bosetti, Valentina
  • De Cian, Enrica
  • Sgobbi, Alessandra
  • Tavoni, Massimo

Abstract

WITCH is an energy-economy-climate model developed by the climate change group at FEEM. The model has been extensively used in the past 3 years for the economic analysis of climate change policies. WITCH is a hybrid top-down economic model with a representation of the energy sector of medium complexity. Two distinguishing features of the WITCH model are the representation of endogenous technological change and the game–theoretic set-up. Technological change is driven by innovation and diffusion processes, both of which feature international spillovers. World countries are grouped in 12 regions which interact with each other in a setting of strategic interdependence. This paper describes the updating of the base year data to 2005 and some new features: the inclusion of non-CO2 greenhouse gases and abatement options, the new specification of low carbon technologies and the inclusion of reducing emissions from deforestation and degradation.

Suggested Citation

  • Bosetti, Valentina & De Cian, Enrica & Sgobbi, Alessandra & Tavoni, Massimo, 2009. "The 2008 WITCH Model: New Model Features and Baseline," Sustainable Development Papers 55284, Fondazione Eni Enrico Mattei (FEEM).
    • Handle: RePEc:ags:feemdp:55284
    DOI: 10.22004/ag.econ.55284
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    Keywords

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    JEL classification:

    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models
    • Q43 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Energy and the Macroeconomy

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