Timing of innovation policies when carbon emissions are restricted: An applied general equilibrium analysis
AbstractThis paper studies the timing of subsidies for emissions-saving research and development (R&D) and how innovation policy is influenced by a carbon tax. We develop a dynamic computable general equilibrium (CGE) model with both general R&D and specific emissions-saving R&D. We find two results that are important when subsidizing emissions-saving R&D in order to target inefficiencies in the research markets. First, the welfare gain from subsidies is larger when the carbon tax is high. This is because a high carbon tax raises the social value of the emissions-saving technology and that this increase in value is not fully appropriated by the private firms. Secondly, the welfare gain is greater when there is a falling time profile of the rate of subsidies for emissions-saving R&D, rather than a constant or increasing profile. The reason is that knowledge spillovers are larger in early periods.
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Bibliographic InfoArticle provided by Elsevier in its journal Resource and Energy Economics.
Volume (Year): 33 (2011)
Issue (Month): 4 ()
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Web page: http://www.elsevier.com/locate/inca/505569
Applied general equilibrium; Carbon emissions; Endogenous growth; Research and development;
Find related papers by JEL classification:
- E17 - Macroeconomics and Monetary Economics - - General Aggregative Models - - - Forecasting and Simulation: Models and Applications
- H23 - Public Economics - - Taxation, Subsidies, and Revenue - - - Externalities; Redistributive Effects; Environmental Taxes and Subsidies
- O38 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights - - - Government Policy
- Q55 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Technological Innovation
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