Technological Change in Economic Models of Environmental Policy: A Survey


Löschel, Andreas


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URL: http://ub-madoc.bib.uni-mannheim.de/454
URN: urn:nbn:de:bsz:180-madoc-4547
Document Type: Working paper
Year of publication: 2001
Publication language: English
Institution: Sonstige Einrichtungen > ZEW - Leibniz-Zentrum für Europäische Wirtschaftsforschung
MADOC publication series: Veröffentlichungen des ZEW (Leibniz-Zentrum für Europäische Wirtschaftsforschung) > ZEW Discussion Papers
Subject: 330 Economics
Classification: JEL: Q25 C68 O30 C50 ,
Subject headings (SWD): Technischer Fortschritt , Wirtschaftspolitik , Spill-over-Effekt , Investition
Abstract: This paper provides an overview of the treatment of technological change in economic models of environmental policy. Numerous economic modeling studies have confirmed the sensitivity of mid- and long-run climate change mitigation cost and benefit projections to assumptions about technology costs. In general, technical progress is considered to be a noneconomic, exogenous variable in global climate change modeling. However, there is overwhelming evidence that technological change is not an exogenous variable but to an important degree endogenous, induced by needs and pressures. Hence, some environmenteconomy models treat technological change as endogenous, responding to socio-economic variables. Three main elements in models of technological innovation are: (i) corporate investment in research and development, (ii) spillovers from R&D, and (iii) technology learning, especially learning-by-doing. The incorporation of induced technological change in different types of environmental-economic models tends to reduce the costs of environmental policy, accelerates abatement and may lead to positive spillover and negative leakage.
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Löschel, Andreas (2001) Technological Change in Economic Models of Environmental Policy: A Survey. Open Access [Working paper]
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