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A Geometric Model of Elections in Five Federal Democracies
Journal article   Peer reviewed

A Geometric Model of Elections in Five Federal Democracies

Richard J. Heggen and Alfred G. Cuzán
Statistics, politics, and policy, Vol.15(3), pp.273-286
10/10/2024

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Abstract

Abstract In an analysis of 1,825 state or provincial election outcomes in five federal democracies the rate of decay of incumbency ( K ) serves to partition the distribution of the vote for the incumbent party, the party of the head of government, between those who win a subsequent term and those who do not. In conjunction with the mean and standard deviation of the distribution, the weighted mean of the vote in re-election and defeat is identified. The model’s predictions are generally within 2–3 percentage points of the actual outcome.

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