Instant-runoff voting: Difference between revisions
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==== Failure to pick a good compromise ==== |
==== Failure to pick a good compromise ==== |
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IRV exhibits [[center squeeze]. That means that IRV can ignore a good compromise in favor of a polarized choice that enjoys smaller actual support. |
IRV exhibits [[center squeeze]]. That means that IRV can ignore a good compromise in favor of a polarized choice that enjoys smaller actual support. |
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This failure mode occurs in a 3-choice election where parties A and B are bitterly opposed, and party C is first choice for a minority but tolerable for a large majority. For a real-life example, consider the 17th-century Europe struggle over "government-enforced [[Catholicism]]" versus "government-enforced [[Protestantism]]", with "freedom of private worship" as the compromise C. |
This failure mode occurs in a 3-choice election where parties A and B are bitterly opposed, and party C is first choice for a minority but tolerable for a large majority. For a real-life example, consider the 17th-century Europe struggle over "government-enforced [[Catholicism]]" versus "government-enforced [[Protestantism]]", with "freedom of private worship" as the compromise C. |
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