Duverger's law

In political science, Duverger's law (/ˈduvərʒ/ DOO-vər-zhay) refers to the observation that political systems with only one winner that fail the sincere favorite criterion typically result in two-party rule.[1][2] By contrast, systems that do not encourage lesser-evil voting or provide for proportional representation usually have more representation of minor parties in government.[3]

  1. ^ Masket, Seth (Fall 2023). "Giving Minor Parties a Chance". Democracy. 70.
  2. ^ Blake, Aaron (25 November 2021). "Why are there only two parties in American politics?". Washington Post. ISSN 0190-8286. Retrieved 25 September 2023.
  3. ^ Duverger, Maurice (1964). Political parties: their organization and activity in the modern state. Internet Archive. London : Methuen. p. 239. ISBN 978-0-416-68320-2.

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