We reconsider the conventional wisdom that, in the presence of public goods and distortionary taxation, Nash tax rates are inefficiently low due to free riding. We use a model in which the public good is natural resources. Specifically, a general equilibrium model of a world economy, in which there is long-term growth and world-wide environmental quality has public good features. We show that the type of the spillover effect from one country/player to another (and hence whether we under-tax, or over-tax, in a Nash equilibrium relative to a cooperative one) can be reversed when we introduce dynamics. In particular, the spillover effect changes from positive to negative once the same model allows for economic growth. This implies that, when the economy grows, Nash pollution tax rates are inefficiently high. This happens because in a growth model, medium- and long-run capital tax bases are elastic. In our AK growth model, the long-run effect on growth and tax bases more than outweighs any short-run free rider effects, and therefore Nash tax rates are too high.
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Paper provided by CESifo GmbH in its series CESifo Working Paper Series with number
CESifo Working Paper No. 349.
Find related papers by JEL classification: H23 - Public Economics - - Taxation, Subsidies, and Revenue - - - Externalities; Redistributive Effects; Environmental Taxes and Subsidies H40 - Public Economics - - Publicly Provided Goods - - - General O41 - Economic Development, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Oakland, William H., 1987.
"Theory of public goods,"
Handbook of Public Economics,
in: A. J. Auerbach & M. Feldstein (ed.), Handbook of Public Economics, edition 1, volume 2, chapter 9, pages 485-535
Elsevier.
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