Instant-runoff voting: Difference between revisions

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(Bolded the "RCV" part at the top, added in section on equal-ranking, and a section on how IRV can ignore ballot information to the detriment of a majority,)
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*** Similar to random elimination, but with many nice properties not found with random elimination
*** Similar to random elimination, but with many nice properties not found with random elimination


=== '''Variants''' ===
=== Variants ===
IRV can be done with equal ranking allowed. The two main ways of doing this are either fractional (split the voter's ballot equally between all of their highest-ranked candidates that are ranked equally (3 candidates ranked 1st each get 1/3rd of a vote)), or whole votes (give each highest-equally-ranked candidate one vote (3 candidates get 1 vote each and 3 votes total)).
IRV can be done with equal ranking allowed. The two main ways of doing this are either fractional (split the voter's ballot equally between all of their highest-ranked candidates that are ranked equally (3 candidates ranked 1st each get 1/3rd of a vote)), or whole votes (give each highest-equally-ranked candidate one vote (3 candidates get 1 vote each and 3 votes total)).