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AbstractHow does political competition shape institutions that govern the expansion of social policy subnationally? Brazilian states have shown a surprising variation in the design of their public health institutions, which regulate the distribution of health resources and citizen access to public health care. While many states have experienced fragmentation, some have remained highly centralized and discretionary, and only a select few have established a coordinated system based on power sharing and rules-based distribution. Accounts that link public health care expansion to federal government imposition, the presence of the public health care movement, and leftist parties cannot fully explain this variation. Instead, in the three Brazilian states examined here, the nature of subnational political competition triggered different institution-building strategies. The findings indicate that plural political competition yielded incentives for limiting state-level discretion and for sharing power with municipal governments, while political concentration reinforced the attraction to centralized and discretionary policymaking.

Abstract
This paper uses a two-stage Cournot duopoly model with demand uncertainly to examine the strategic role debt plays in deterring a company from entering when a potential entrant can enter one of several markets. We show that as the number of alternative markets available for entry rises, the incumbents' incentive to use debt as a deterrent falls. Thus, a potential entrant will prefer to have a larger number of alternative markets to enter in order to lower the incumbents' incentive to take strategic actions against it.

El presente ensayo ha sido elaborado con la finalidad de acreditar el curso de Teoría Política Clásica cursado en el Doctorado en Ciencia Política del CEA-UNC. Nuestra indagación tiene por objeto realizar una aproximación al estudio de los roles políticos, institucionales y administrativos que debían cumplir los ciudadanos electos y sorteados para cubrir los cargos principales y secundarios en las instituciones de la polis ateniense. En este sentido el trabajo intenta realizar un aporte al estudio de la organización política y de la estructura institucional de Atenas mediante el análisis de las diferentes funciones institucionales que permitía el sostén del sistema político ático a partir del cual se organizó la comunidad política. ; Fil: Durbano, Jorge Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina