Optimal Climate Change Policies When Governments Cannot Commit
AbstractWe analyse the optimal design of climate change policies when a government wants to encourage the private sector to undertake significant immediate investment in developing cleaner technologies, but the relevant carbon taxes (or other environmental policies) that would incentivise such investment by firms will be set in the future. We assume that the current government cannot commit to long-term carbon taxes, and so both it and the private sector face the possibility that the government in power in the future may give different (relative) weight to environmental damage costs. We show that this lack of commitment has a significant asymmetric effect: it increases the incentive of the current government to have the investment undertaken, but reduces the incentive of the private sector to invest. Consequently the current government may need to use additional policy instruments – such as R&D subsidies – to stimulate the required investment.
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Bibliographic InfoPaper provided by Department of Economics, University of St. Andrews in its series Discussion Paper Series, Department of Economics with number 201104.
Date of creation: 15 Aug 2011
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Find related papers by JEL classification:
- H23 - Public Economics - - Taxation, Subsidies, and Revenue - - - Externalities; Redistributive Effects; Environmental Taxes and Subsidies
- Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters
- Q55 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Technological Innovation
- Q58 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Government Policy
This paper has been announced in the following NEP Reports:
- NEP-ALL-2011-08-15 (All new papers)
- NEP-ENE-2011-08-15 (Energy Economics)
- NEP-ENV-2011-08-15 (Environmental Economics)
- NEP-INO-2011-08-15 (Innovation)
- NEP-REG-2011-08-15 (Regulation)
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