
handle: 10230/45896
Amorim Neto y Cox sentaron las bases de los determinantes del número efectivo de partidos electorales. Sin embargo, a partir de una nueva base de datos más fiable y con el doble de países demostraré que a pesar de que los datos que emplearon los autores eran robustos, incurrieron en un sesgo de selección en los países estudiados. Esto me lleva a matizar sus resultados, tanto por lo que se refiere a las variables independientes —y entre ellas, la principal aportación de su investigación: la interacción entre cleavage y la magnitud de distrito— como a la capacidad de los modelos para explicar la variabilidad de la variable dependiente. Por otra parte, también evaluaré el efecto de las arenas de competición multinivel sobre el número efectivo de partidos electorales y mostraré cómo el grado de descentralización de los estados se erige como un factor explicativo potente, abriendo la puerta al estudio de un ámbito de la Ciencia Política desatendido hasta el momento en términos empíricos.
Amorim Neto and Cox established the determinants of the effective number of electoral political parties. However, through a new more reliable database containing twice the number of countries, the author demonstrates that, even though the data that the authors used was robust, they incurred in a selection bias regarding the countries studied. This led to a new approach to the results regarding both the independent variables (including their main contribution: the interaction between cleavage and magnitude of district) and the model’s ability to explain variability in the dependent variable. The article assesses the effect of multilevel competition arenas upon the effective number of electoral parties, and demonstrates that the level of decentralization of the States is a powerful explicative factor. This opens the doors to a study of a field in Political Sciences that has been abandoned until the moment, at least empirically.
District magnitude, decentralization., ARTÍCULOS, district magnitude, Decentralization, Magnitud de distrito, magnitud de distrito, Partidos políticos, Political parties, Descentralización, cleavage, descentralización., Cleavage
District magnitude, decentralization., ARTÍCULOS, district magnitude, Decentralization, Magnitud de distrito, magnitud de distrito, Partidos políticos, Political parties, Descentralización, cleavage, descentralización., Cleavage
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