Should the carbon price be the same in all countries?
AbstractInternational differences in fuel taxation are huge, and may be justified by different local negative externalities that taxes must correct, as well as by different preferences for public spending. In this context, should a worldwide unique carbon tax be added to these local taxes to correct the global warming externality? We address this question in a second best framework à la Ramsey, where public goods have to be financed through distortionary taxation and the cost of public funds has to be weighted against the utility of public goods. We show that when lump-sum transfers between countries are allowed for, the second best tax on the polluting good may be decomposed into three parts: one, country specific, dealing with the local negative externality, a second one, country specific, dealing with the cost of public funds, and a third one, global, dealing with the global externality and which can be interpreted as the carbon price. Our main contribution is to show that the uniqueness of the carbon price should still hold in this second best framework. Nevertheless, if lump-sum transfers between governments are impossible to implement, international differentiation of the carbon price is the only way to take care of equity concerns.
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Bibliographic InfoPaper provided by Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne in its series Documents de travail du Centre d'Economie de la Sorbonne with number 11076.
Length: 25 pages
Date of creation: Aug 2011
Date of revision:
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Carbon price; second best; Pigovian taxation.;
Other versions of this item:
- Antoine D'Autume & Katheline Schubert & Cees Withagen, 2011. "Should the carbon price be the same in all countries ?," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00654239, HAL.
- H21 - Public Economics - - Taxation, Subsidies, and Revenue - - - Efficiency; Optimal Taxation
- H23 - Public Economics - - Taxation, Subsidies, and Revenue - - - Externalities; Redistributive Effects; Environmental Taxes and Subsidies
- H41 - Public Economics - - Publicly Provided Goods - - - Public Goods
- H71 - Public Economics - - State and Local Government; Intergovernmental Relations - - - State and Local Taxation, Subsidies, and Revenue
- H87 - Public Economics - - Miscellaneous Issues - - - International Fiscal Issues; International Public Goods
- Q5 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics
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