Coalizões de governo: uma medida de concentração alternativa
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2017-08-21
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In the last 30 years, no Brazilian president has had a majority of congress members in the party that elected him/her. In order to have support in the legislature, their strategy has been to form a government coalition with other parties. The literature indicates that the main currency used by presidents is the distribution of ministries, and that this division is proportional to the number of members of each party in the coalition. The presupposition to this theme is that proportional parliaments would be more satisfied, and would therefore act in a more regulated manner because of their sense of justice. The main indicator used to measure the distribution of ministries is the Coalescence Rate. This paper argues that this index has no statistical consistency, and suggests an alternative concentration indicator: the G. Index.