Duverger's law

专有名词
中文释义

英文释义

专有名词
  1. The principle that plurality-rule elections (such as first past the post) structured within single-member districts tend to favour a two-party system, and that the double-ballot majority system and proportional representation tend to favor multipartyism.
    — Out of that work emerged Duverger’s Law, which holds that single-member districts tend to produce two-party systems. […] And in the long run, the inexorable machinery of Duverger’s Law will ensure that the Patriot Party is folded back into the Republican Party.

词源

Attributed to Maurice Duverger, French sociologist who published on the subject in the 1950s and 1960s.
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