This paper presents a survey of the optimal commodity taxation theory and, particularly, deals with the issue of uniformity versus selectivity of commodity tax rates. A review of the main empirical models is also presented. Moreover, the study attempts to calculate the optimal commodity taxes...

The real impact of taxes on the economy can only be assessed when we consider the behavioral responses of economic agents due to these taxes. This paper shows how income taxation in Brazil gives incentives to some classes of taxpayers to incorporate in order to reduce their tax burden. Microdata...