Instant-runoff voting

Also called Ranked choice voting.

• https://en.wikipedia.org/wiki/Instant-runoff_voting

In a 1-dimensional case, as long as there’s a moderate candidate, it is not possible for extreme candidate to be elected.

there is an “exclusion zone” around the median voter such that if a candidate from the exclusion zone is on the ballot, then the winner must come from the exclusion zone. –Tomlinson2025exclusion

• https://rrosasl.medium.com/ranked-choice-voting-with-google-forms-and-python-c471ea568a60