The WITCH Model. Structure, Baseline, Solutions
WITCH – World Induced Technical Change Hybrid – is a regionally disaggregated hard-link hybrid global model with a neoclassical optimal growth structure (top-down) and a detailed energy input component (bottom-up). The model endogenously accounts for technological change, both through learning curves that affect the prices of new vintages of capital and through R&D investments. The model features the main economic and environmental policies in each world region as the outcome of a dynamic game. WITCH belongs to the class of Integrated Assessment Models as it possesses a climate module that feeds climate changes back into the economy. Although the model’s main features are discussed elsewhere (Bosetti et al., 2006), here we provide a more thorough discussion of the model’s structure and baseline projections, to describe the model in greater detail. We report detailed information on the evolution of energy demand, technology and CO2 emissions. We also explain the procedure used to calibrate the model parameters. This report is therefore meant to provide effective support to those who intending to use the WITCH model or interpret its results.
|Date of creation:||Jan 2007|
|Date of revision:|
|Contact details of provider:|| Postal: |
Web page: http://www.feem.it/
More information through EDIRC
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Douglas Gollin, 2001.
"Getting Income Shares Right,"
Department of Economics Working Papers
2001-11, Department of Economics, Williams College.
- Paul Thompson, 2008.
Agriculture and Human Values,
Springer, vol. 25(1), pages 137-138, January.
- Paul Thompson & Keith Moore & William Rivera & Gary Green & Joel Schor & Richard Ryan & Jeffery Bentley & Bernard Ouden & William Browne, 1989. "Book reviews," Agriculture and Human Values, Springer, vol. 6(4), pages 62-80, September.
- Roger Paden & Marilyn Holly & Paul Thompson & Carl Mitcham & Joel Schor & Nicholas Ellig & John Lyon & Carl Barfield & Clyde Kiker & Jeffrey Burkhardt & Miguel Altieri & Christopher Vecsey, 1986. "Book reviews," Agriculture and Human Values, Springer, vol. 3(3), pages 41-80, June.
- B. Ripley & Philippa Pattison & Paul Thompson & Jan Leeuw & Ludovic Lebart & Brian Everitt & Roderick McDonald & Jeffrey Banfield & Richard Hathaway, 1990. "Book reviews," Journal of Classification, Springer, vol. 7(2), pages 287-316, September.
- Sala-i-Martin, Xavier X., 1996.
"Regional cohesion: Evidence and theories of regional growth and convergence,"
European Economic Review,
Elsevier, vol. 40(6), pages 1325-1352, June.
- Sala-i-Martin, Xavier, 1994. "Regional Cohesion: Evidence and Theories of Regional Growth and Convergence," CEPR Discussion Papers 1075, C.E.P.R. Discussion Papers.
- Xavier Sala-i-Martin, 1994. "Regional cohesion: Evidence and theories of regional growth and convergence," Economics Working Papers 104, Department of Economics and Business, Universitat Pompeu Fabra.
- repec:ner:tilbur:urn:nbn:nl:ui:12-3764009 is not listed on IDEAS
- Sala-i-Martin, Xavier, 1995.
"The Classical Approach to Convergence Analysis,"
CEPR Discussion Papers
1254, C.E.P.R. Discussion Papers.
- Dahl, Carol A., 1993. "A survey of energy demand elasticities in support of the development of the NEMS," MPRA Paper 13962, University Library of Munich, Germany.
- Jones, Charles I, 1995. "R&D-Based Models of Economic Growth," Journal of Political Economy, University of Chicago Press, vol. 103(4), pages 759-84, August.
- Quah, Danny, 1995. "Empirics for Economic Growth and Convergence," CEPR Discussion Papers 1140, C.E.P.R. Discussion Papers.
- Popp, David, 2004. "ENTICE: endogenous technological change in the DICE model of global warming," Journal of Environmental Economics and Management, Elsevier, vol. 48(1), pages 742-768, July.
- Manne, Alan & Mendelsohn, Robert & Richels, Richard, 1995. "MERGE : A model for evaluating regional and global effects of GHG reduction policies," Energy Policy, Elsevier, vol. 23(1), pages 17-34, January.
- Thompson, Peter & Taylor, Timothy G, 1995. "The Capital-Energy Substitutability Debate: A New Look," The Review of Economics and Statistics, MIT Press, vol. 77(3), pages 565-69, August.
- James Ko & Carol Dahl, 2001. "Interfuel substitution in US electricity generation," Applied Economics, Taylor & Francis Journals, vol. 33(14), pages 1833-1843.
- Warwick McKibbin & David Pearce & Alison Stegman, 2004.
"Long Run Projections For Climate Change Scenarios,"
CAMA Working Papers
2004-01, Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University.
- Edenhofer, Ottmar & Bauer, Nico & Kriegler, Elmar, 2005. "The impact of technological change on climate protection and welfare: Insights from the model MIND," Ecological Economics, Elsevier, vol. 54(2-3), pages 277-292, August.
- Hiro Lee & Joaquim Oliveira Martins & Dominique van der Mensbrugghe, 1994. "The OECD Green Model: An Updated Overview," OECD Development Centre Working Papers 97, OECD Publishing.
When requesting a correction, please mention this item's handle: RePEc:fem:femwpa:2007.10. See general information about how to correct material in RePEc.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (barbara racah)
If references are entirely missing, you can add them using this form.