What are the effects of attempts at reelection on electoral competition? We have tested the assumption that attempts at reelection have a positive and significant effect on electoral competition. We measured electoral competition using two indicators: Imbalance index T (Taagepera) and generalized concentration index (Herfindahl-Hirscham (HH)). We analyzed data on the seven last Brazilian national elections (1990-2014). We employed descriptive (variable measures and times series) and inferential statistics (regression analysis with panel data). Our main findings: 01. the percentage and […]

This paper explores the differences and similarities between the electoral systems in Brazil and Colombia and how it affects Brazilian incumbent Federal Deputies’ and Colombian Diputados’ political career choices and electoral success. The main argument is that even though both electoral systems are, in general terms, quite distinct, they appear to produce very similar effects in career choices and reelection. The main cause of the effects found is that the institutional minutiae of the two electoral systems increase their similarities.