América do Sul
URI permanente desta comunidadehttps://bibliotecadigital.tse.jus.br/handle/bdtse/9850
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Artigo The presence of incumbents electoral competition and reelection in Brazil (1990-2014)(2020) Silva Junior, José Alexandre da; Morais, Leonardo Rodrigues; Paranhos, Ranulfo; Lima, Albany Ferreira; Tribunal Superior EleitoralWhat are the effects of attempts at reelection on electoral competition? It has tested the assumption that attempts at reelection have a positive and significant effect on electoral competition. It measured electoral competition using two indicators: Imbalance index T (Taagepera) and generalized concentration index (Herfindahl-Hirscham (HH)). It analyzed data on the seven last Brazilian national elections (1990-2014). It employed descriptive (variable measures and times series) and inferential statistics (regression analysis with panel data). The main findings: 01. the percentage and the concentration of incumbents has a significant and negative effect on the concentration of votes; 02. the interaction between the percentage of incumbents in a given dispute and in a coalition has a significant and positive effect on the concentration of votes.Artigo Does size matter? Electoral performance of small parties in Brazil(2016) Nascimento, Willber da Silva; Silva Júnior, José Alexandre da; Paranhos, Ranulfo; Silva, Denisson; Figueiredo Filho, Dalson BrittoWhat is the impact of small parties on electoral outcomes? This articles aims at contributing to the literature on party systems by proposing a new method to classify political parties. The methodology is applied to Brazil by focusing on the description of the election results of small parties. Cluster analysis is employed to classify political party size based on their percentage of votes in the Brazilian states. The main findings indicate that classifying parties through cluster analysis is more objective than previous classifications. As a result of this method, the article shows that small parties exert little effect on electoral volatility in Brazil as well as small parties benefit less from the disproportionality between votes and seats than the larger ones.