To minimize deadweight losses, tax rates should vary unpredictably so agents cannot rearrange their work and consumption habits. As a result, optimally set tax rates will be a nonstationary time series or, put differently, changes in the tax rate will be unpredictable. This paper identifies...

Corruption defined as the misuse of public power for personal gains is a forefront issue around the world, especially in developing countries. This paper mainly assumes that corruption has negative effects on government revenues both in the short-run and the long-run. In order to test this...

This paper derives analytical expressions for the revenue elasticity of consumption taxes and combined income-consumption tax systems, analogous to those familiar for income taxes. It provides measures of tax revenue elasticities which can readily be applied in practice. Analytical results...