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Electoral competition, political competition or electoral competitiveness describes the amount of competition in electoral politics between candidates or political parties, usually measured by the margin of victory.[1] The Polity data series includes a measure of political competition.[2] Political competitiveness can be affected by the proportionality between votes and seats, which can be represented by Gallagher index.[3]
- ^ Klarner, Carl; Berry, William; Carsey, Thomas; Jewell, Malcolm; Niemi, Richard; Powell, Lynda; Snyder, James (2013). "State Legislative Election Returns (1967-2010)". doi:10.3886/ICPSR34297.v1.
{{cite journal}}: Cite journal requires|journal=(help) - ^ https://www.systemicpeace.org/inscr/p5manualv2018.pdf Marshall, Monty G., and Ted Robert Gurr. "Polity5: Political regime characteristics and transitions, 1800-2018." Center for Systemic Peace 2 (2020).
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