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The 2008 WITCH Model: New Model Features and Baseline AgEcon
Bosetti, Valentina; De Cian, Enrica; Sgobbi, Alessandra; Tavoni, Massimo.
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...
Tipo: Working or Discussion Paper Palavras-chave: Climate Policy; Hybrid Modelling; Integrated Assessment; Technological Change; Environmental Economics and Policy; O33; O41; Q43.
Ano: 2009 URL: http://purl.umn.edu/55284
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A Numerical Analysis of Optimal Extraction and Trade of Oil under Climate Policy AgEcon
Massetti, Emanuele; Sferra, Fabio.
We introduce endogenous investments for increasing conventional and non-conventional oil extraction capacity in the integrated assessment model WITCH. The international price of oil emerges as the Nash equilibrium of a non-cooperative game. When carbon emissions are not constrained, oil is used throughout the century, with unconventional oil taking over conventional oil from mid-century onward. When carbon emissions are constrained, oil consumption drops dramatically and the oil price is lower than in the BaU. Unconventional oil is not extracted. Regional imbalances in the distribution of stabilisation costs are magnified and the oil-exporting countries bear, on average, costs three times larger than in previous estimates.
Tipo: Working or Discussion Paper Palavras-chave: Climate Policy; Integrated Assessment; Oil Production; Oil Revenues; Oil Trade; Resource /Energy Economics and Policy; E17; F17; Q32; Q43; Q54.
Ano: 2010 URL: http://purl.umn.edu/96495
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Adaptation, Mitigation and “Green” R&D to Combat Global Climate Change. Insights From an Empirical Integrated Assessment Exercise AgEcon
Bosello, Francesco.
This work develops a framework for the analysis at the macro-level of the relationship between adaptation and mitigation policies. The FEEM-RICE growth model with stock pollution, endogenous R&D investment and emission abatement is enriched with a planned-adaptation module where a defensive capital stock is built through adaptation investment. Within this framework the optimal path of planned adaptation, the optimal inter and intra temporal mix between adaptation, mitigation and investment in R&D, and the sensitivity of a strategy to each other is identified. The major conclusions of this research show that adaptation, mitigation and R&D are strategic complements as all concur together to the solution of the climate change problem; nonetheless...
Tipo: Working or Discussion Paper Palavras-chave: Climate Change Impacts; Mitigation; Adaptation; Integrated Assessment; Environmental Economics and Policy; Q25; Q28.
Ano: 2010 URL: http://purl.umn.edu/59746
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