[EM] The AMS has switched from Ranked Pairs to Instant-Runoff Voting
Colin Champion
colin.champion at routemaster.app
Sun Mar 5 02:50:13 PST 2023
Their specification doesn't say what to do if two pairs have equal
margins, although other forms of tie are at least vaguely described. I
assume "there is a tie" means "the margin is zero", but the language is
slightly misleading. Maybe whenever two pairs had equal margins the AMS
resorted to a coin toss between all candidates.
CJC
On 05/03/2023 10:28, Kristofer Munsterhjelm wrote:
> On 3/5/23 01:41, Hahn, Paul wrote:
>> Good lord, why?! I clicked on all the links but didn’t see any
>> justification for this regressive move, though some of the linked
>> documents are pretty long and I didn’t search through them
>> exhaustively.
>
> I don't know; maybe we have to ask Max. He seems to be here:
>
> https://www.facebook.com/max.holmes.56/ and
> https://ca.linkedin.com/in/maximillian-holmes-2b9223132/
>
> There might also be something buried in the minutes here, although I
> really don't fancy trawling through all the documents:
>
> https://www.ams.ubc.ca/about-us/student-council/agendas-presentations-minutes/
>
>
> But at least there's one good thing about this being brought to our
> attention - since the AMS used Ranked Pairs earlier, its earlier code
> of procedures document gives a good example of legislative language
> for implementing the Ranked Pairs method:
>
> https://www.ams.ubc.ca/wp-content/uploads/2021/01/AMS-Code-Section-Nine-Dec-8-2020.pdf
>
>
> which may be of interest to anyone who wants to propose Ranked Pairs
> as a practical election method in his organization or city.
>
> The Ranked Pairs description starts at PDF page 24 (document page 98),
> after some general ranked ballot instructions on the page before it.
>
> -km
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