We consider two-sided many-to-many matching markets in which each worker may work for multiple firms and each firm may hire multiple workers. We study individual and group manipulations in centralized markets that employ (pairwise) stable mechanisms and that require participants to submit rank...

This paper analyzes some optimal fiscal, pricing, and capacity investment policies for controlling regional monopoly power in the natural gas industry. By letting the set of control instruments available to the social planner vary, we provide a characterization of the technological and demand...

ABSTRACT: When allocating a resource, geographical and infrastructural constraints have to be taken into account. We study the problem of distributing a resource through a network from sources endowed with the resource to citizens with claims. A link between a source and an agent depicts the...

Resumen: Este documento hace un diagnostico multidimensional de las brechas regionales que existen en Colombia a nivel departamental y de su persistencia en el tiempo. Así mismo se estudian las causas de la inequidad regional. La evidencia presentada sugiere que las diferencias institucionales...

Abstract: We analyze the optimal provision of information in a procurement auction with horizontally differentiated goods. The buyer has private information about her preferred location on the product space and has access to a costless communication device. A seller who pays the entry cost may...

Abstract: We study the effect of UI benefits in a typical developing country where the informal sector is sizeable and persistent. In a partial equilibrium environment, ruling out the macroeconomic consequences of UI benefits, we characterize the stationary equilibrium of an economy where...

Abstract: This paper studies oligopolistic competition in education markets when schools can be private and public and when the quality of education depends on peer group"" effects. In the first stage of our game schools set their quality and in the second stage they fix their tuition fees. We...

Resumen: Algunos cambios recientes en la política agrícola en Colombia se han orientado hacia la implementación de medidas de apoyo directo a los productores, con el fin de proteger su ingreso y fomentar una mayor competitividad del sector. No obstante, estimaciones acerca del impacto...

Economic literature about determinants of labor income has evolved around its theoretical and methodological foundations and more sophisticated and accurate empirical estimations emerged. Colombian literature, though prolific, lacks on rigor. In order to exemplify the effects of this inattention...

The purpose of this paper is to propose a characterization, different from the traditional ones, of developed and developing countries, in terms of science and technology. First, we identify the generating processes of the publication and patent series of the countries. Then we relate the...