Interregional redistribution through tax surcharge |
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Authors: | Helmuth Cremer Maurice Marchand Pierre Pestieau |
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Institution: | (1) IDEI and CREMAQ, University of Toulouse, Germany;(2) IAG and CORE, Catholic University of Louvain, Germany;(3) CREPP, University of Liège, Germany;(4) CORE, Germany |
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Abstract: | The paper considers a utilitarian federal government that levies a tax to finance a national public good or to effect a redistributive policy. Regions differ in their incomes and in their preferences for a local public good. First, we assume that the central government observes each region's public expenditures (and, hence, local tax revenues) but cannot perfectly observe revenues and preferences. We derive the (constrained) Pareto-efficient allocation and show how it can be implemented by a surcharge on local taxes. The level of redistribution that can be achieved is limited by the fact that it may be difficult, or even impossible, to distinguish low-income regions with a high preference for the public good from high-income regions with a low preference. Then we allow for the possibility that the central government can observe incomes through a costly audit. We examine the optimal audit policy and study the impact of audits on the optimal taxation scheme. Throughout the paper we focus on the properties of average and marginal tax rates and on the resulting under- or overprovision of regional public goods. |
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Keywords: | optimal taxation public goods fiscal federalism |
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