The authors provide a broad overview of economic aspects of commodity taxation, focussing in particular on theory and on policy applications in OECD countries. Some major papers in public economics have discussed whether these taxes should be levied at a uniform rate, or whether different...

A simple portfolio model is used to examine the efficiency effects of capital income taxes when the economy faces aggregate risk. To achieve a first best optimum the use of state contingent lump sum taxes is required. Through the tax policy the riskiness of total consumption is partly assigned...

Using an optimal taxation model combined with a previously neglected scheme of public provision of private goods, we show that there is an efficiency gain if public provision of selected goods replaces market purchases and that efficiency requires marginal income tax rates to be higher than if...