Governos de coalizão nas democracias presidencialistas e parlamentaristas

Translated title of the contribution: Government coalitions under presidentialism and parliamentarism

José Antonio Cheibub, Adam Przeworski, Sebastian Saiegh

Research output: Contribution to journalArticlepeer-review


Are government coalitions less frequent under presidentialism than under parliamentarism? The only difference between the two systems is that unscheduled elections are held under parliamentarism in those situations in which under presidentialism a majority legislative coalition opposes the executive. In both systems, portfolio coalitions are formed only when the formateur party and the one closest to it are relatively distant in policy terms. Otherwise, the formateur party governs alone, satisfied with the legislative outcomes. Hence, portfolio minority governments need not be less effective legislatively than coalition governments. Whatever is wrong with presidentialism, is not due to the difficulty of forming coalitions.

Translated title of the contributionGovernment coalitions under presidentialism and parliamentarism
Original languagePortuguese
Pages (from-to)187-218
Number of pages32
Issue number2
StatePublished - 2002
Externally publishedYes


  • Government coalitions
  • Parliamentarism
  • Presidentialism

ASJC Scopus subject areas

  • General Social Sciences


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