Wage Dispersion and Efficiency. It is often assumed that markets generate efficient allocations, but these are not necessarily fair. The widening of wage differentials that is currently observed is interpreted in this manner: Skill-biased technological progress increases demand for skilled work...

The theoretical and empirical literature shows that union wages are more responsive to international import competition than nonunion wages, thus reducing unions bargaining power. In this paper we track the influence of unions on wages in Brazil before and after the trade liberalization in the...

This paper analyzes whether uniform tariffs give rise to the highest welfare compared with tariffs that either escalate or de-escalate along the value chain of production. We show that countries may be better off with de-escalating tariffs where tariff rates are higher on intermediate inputs and...

"La comunidad mundial y las instituciones internacionales han dado una alta prioridad al desarrollo y el alivio de la pobreza. Los Objetivos de Desarrollo del Milenio, establecidos por Naciones Unidas para el 2015, hacen un llamado para reducir en un 50% el número de personas que viven con...