Abstract
We examine dedicated taxes (i.e., taxes on private goods used to finance public good provision) in a game-theoretic model of impure public goods. We show that a dedicated tax can increase or decrease demand for the taxed good. The optimal dedicated tax generally cannot achieve the Pareto-optimal allocation, but it can generate a conditionally efficient equilibrium with comparatively more or less public good provision, depending in part on complementarity or substitutability between the private and public good. We also demonstrate a neutrality result: when individuals can make direct donations, sufficiently low dedicated taxes will not impact equilibrium allocation.
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