This paper aims at explaining observed distinct prices, announced by a single supplier for an identical product, in an illegal framework. The modeling proposed here examines an augmented mark-up pricing equation, for oligopolistic markets, that includes a function of social discrimination. The...

This paper aims to outline evidence on how regional integration can be beneficial for income convergence of Mexican regions over the period 1994 to 2004. Thus, two main concepts of convergence are studying: the sigma and beta-convergence. More precisely, we are estimating an augmented model of...