[EM] What is the name of this simplest STV multi-winner method?

Andy Dienes andydienes at gmail.com
Fri Nov 25 14:47:56 PST 2022


Bottoms-up IRV. It is not very proportional though.

On Fri, Nov 25, 2022 at 4:13 PM robert bristow-johnson <
rbj at audioimagination.com> wrote:

>
> Sorry to bother y'all for asking such a basic question here, but Wikipedia
> (at https://en.wikipedia.org/wiki/Counting_single_transferable_votes ) is
> confusing me a little.
>
> I understand the concept of a quota and the different quota definitions
> and I understand the concept of surplus votes and at least two different
> methods of transferring surplus votes.  But the simplest STV (multi or
> single winner) doesn't worry about transferring votes that are surplus over
> a quota, but only about transferring the votes of eliminated candidates.
>
> If the number of seats to be filled is M, what is the name of the STV
> method that simply repeatedly eliminates candidates (using the Hare method)
> each round (and transferring votes from the ballots preferring the
> eliminated candidates) until only M candidates remain.  Nothing is done
> with surplus votes of candidates that are not eliminated.  If M=1, this
> would be exactly Hare IRV.
>
> Thank you.
>
> --
>
> r b-j . _ . _ . _ . _ rbj at audioimagination.com
>
> "Imagination is more important than knowledge."
>
> .
> .
> .
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