description- – A simple general equilibrium model of an economy with distortionary taxes and public goods is used to extend, unify and clean up the welfare analysis of changes in taxation, redistribution and the provision of public goods. We clarify the distinction between compensation and money metric measures of the welfare impact of fiscal changes and show that the equivalent variation measure dominates other measures. We provide an integrated approach to marginal tax and public good changes when public goods have real resource costs and must be financed by distortionary taxation using the concepts of the marginal cost of funds, the fiscal price of public goods and the virtual price of public goods. Here too, the compensation version of these concepts dominates the money metric version.
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