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File:Merrill 1984 Figure 3 Social-Utility Efficiency for a Random Society.svg

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English: Reproduction of Figure 3. "Social-Utility Efficiency for a Random Society (25 voters)" from A Comparison of Efficiency of Multicandidate Electoral Systems, Samuel Merrill III 1984[1]
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Data

From Table 3, sorted by efficiency in 10-candidate column:

2 3 4 5 7 10
Borda 100 94.8 94.1 94.4 95.4 95.9
Black 100 93.1 91.9 92.0 93.1 94.3
Approval 100 95.4 91.1 89.1 87.8 87.0
Coombs 100 89.7 86.7 85.1 83.1 82.4
IRV 100 89.5 84.7 82.4 80.5 74.9
Runoff 100 89.5 83.8 80.5 75.6 67.6
FPTP 100 83.0 75.0 69.2 62.8 53.3

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References

  1. ↑ Merrill, Samuel (1984). "A Comparison of Efficiency of Multicandidate Electoral Systems". American Journal of Political Science 28 (1): 23–48. DOI:10.2307/2110786. ISSN 0092-5853.

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26 July 2019

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