This paper investigates the macroeconomic implications of alternative tax regimes. For this purpose, a one-sector general equilibrium model is constructed in which heterogeneous agents differ in productivity and holdings of capital in the sense of incurring transaction costs for participating in...

In West Africa, the Value Added Tax (VAT) policy consists of a uniform tax rate, but several items consumed by rich and poor households, are exempted. We provide an optimal tax framework to reflect on the welfare effects of such a tariff structure, in the context of current debates on domestic...