artigo recomendado

Bolognesi, B., Ribeiro, E., & Codato, A.. (2023). A New Ideological Classification of Brazilian Political Parties. Dados, 66(2), e20210164. Just as democratic politics changes, so does the perception about the parties out of which it is composed. This paper’s main purpose is to provide a new and updated ideological classification of Brazilian political parties. To do so, we applied a survey to political scientists in 2018, asking them to position each party on a left-right continuum and, additionally, to indicate their major goal: to pursue votes, government offices, or policy issues. Our findings indicate a centrifugal force acting upon the party system, pushing most parties to the right. Furthermore, we show a prevalence of patronage and clientelistic parties, which emphasize votes and offices rather than policy. keywords: political parties; political ideology; survey; party models; elections

19 de fevereiro de 2024

a instabilidade dos gabinetes presidenciais no Brasil


[Reunião ministerial no Palácio do Catete. 
Getúlio Vargas] 


Mensurando e explicando a instabilidade dos gabinetes presidenciais no Brasil entre 1946 e 1964.

Mensuramos a instabilidade do poder Executivo no Brasil olhando para a taxa de rotatividade ministerial. Desenvolvemos um modelo com doze covariáveis para verificar se elas impactam na demissão dos ministros e, portanto, na instabilidade política dos diferentes governos entre 1946 e 1964. Essas variáveis se referem ao perfil dos ministros, a fatores institucionais e conjunturais, tanto políticos quanto econômicos. Os resultados obtidos através do modelo de riscos proporcionais de Cox mostraram que dois fatores foram preponderantes para explicar a configuração política desse período: o aumento do número efetivo de partidos na Câmara dos Deputados e a constante variação na quantidade de partidos representados no gabinete dada a necessidade de acomodar aliados. Variáveis políticas ligadas à consolidação do regime, como a idade de existência da democracia, ou econômicas, como o aumento do PIB e a diminuição das taxas de inflação, não foram significativas.

Measuring and Explaining the Instability of Presidential Cabinets in Brazil between 1946 and 1964. We measured the instability of the Executive branch in Brazil by examining ministerial turnover rates. We designed a model with twelve covariates to determine their impact on minister dismissals and, therefore, on the political instability across different administrations between 1946 and 1964. These variables referred to ministerial profiles, institutional and situational factors, spanning both political and economic dimensions. Our findings, obtained by employing the Cox proportional hazards model, revealed two pivotal factors in explaining the political configuration during this timeframe: a rise in the effective number of parties in the Chamber of Deputies and consistent fluctuations in the number of parties represented in the ministerial cabinet, driven by the necessity to accommodate allies. Political variables associated with regime consolidation, such as the age of democracy, or economic variables, such as the increases in GDP and the decline in inflation rates, were not significant.

Como citar:

Codato, Adriano; Franz Júnior, Paulo; Sangalli, Amanda; Silva, Rodrigo da. Mensurando e explicando a instabilidade dos gabinetes presidenciais no Brasil entre 1946 e 1964. Estudos Históricos, v. 37, p. e20240105, 2024.



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