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 aim of this paper is to analyze the impacts of the reduction of the Brazilian Tax on Industrialized Products (IPI) on the local sales of vehicles during the period between January and November of 2009. In order to evaluate these impacts, sales have been modeled as a function of price, income...

This thesis is dedicated to the study of inductive environmental tax norms, one of the instruments with increasing propagation used for nature preservation. These norms are defined in this work as any tax norm that within its environmental policy guidance is able to induce certain behaviour of...