This article provides a simple proof of the Lorenz dominance criterion for two non-decreasing income transformations. The criterion is extended the most general case, with only very mild restrictions on the form of initial income distribution or the properties of the income transformations.

Duopoly competition can take different forms: Bertrand, Cournot, Bertrand-Stackelberg, Cournot-Stackelberg and joint profit maximization. In this paper we find a clear price ranking among these five markets when goods are substitutes and an output ranking when goods are complements. Moreover,...

This paper investigates the relationship between the disparity in tax base and tax collection. I address the tax collection problem with traditional industrial organization approach. Thus, I model the "tax minimization" industry where the supplier helps taxpayers to avoid their tax liability. I...

The aim of this paper is two-fold. First, it provides a simple framework for the analyses of the transitions between two steady states with different fiscal policies. This allows us to clarify the existing results on the possibility of Pareto-improving transitions from pay-as-you-go to fully...