[EM] margin vs winning votes

C.Benham cbenham at adam.com.au
Thu Jul 24 10:25:18 PDT 2014



On 7/24/2014 8:39 AM, Toby Pereira wrote:
> I'm a bit late to the whole winning votes / margins / losing votes 
> thing, but my immediate thought here is how well losing votes would 
> handle clones. If C is a clone of B but the less favoured in the 
> party, in A v B, B will rarely, if ever, be ranked fully bottom, 
> whereas the uncloned A could be. So would this favour B in a cycle?

Toby,

No.

It sounds like you have misunderstood   Losing Votes (equal-ranking 
whole) in some way.

If you can give a specific example election (set of ballots) to 
illustrate your concern, I'll respond in more detail.

Chris


>
>     *From:* C.Benham <cbenham at adam.com.au>
>     *To:* election-methods at lists.electorama.com
>     *Sent:* Wednesday, 23 July 2014, 20:00
>     *Subject:* Re: [EM] margin vs winning votes
>
>
>
>     BTW, I don't like either of  Winning Votes or Margins. Of the
>     alternatives that are equivalent to both when all the voters give a
>     full strict ranking I think the best is  Losing Votes (erw). Ballots
>     that equal-rank candidates  A and B both above at least one other
>     candidate are counted in the pairwise contest between A and B as
>     giving
>     a whole vote to each. Ballots that rank A and B equal-bottom
>     (or truncate A and B) count as zero to both in their pairwise
>     contest.
>     The method considers that the greater the number of votes
>     on the losing side, the weaker the pairwise defeat.
>
>     And not limiting ourselves to alternatives that are equivalent to
>     Margins and Winning Votes (and Losing Votes) when all the voters
>     give a full strict ranking, I think better still is "MinMax Losing
>     Votes (erw) Margins", which I first suggested in April this year.
>
>     http://lists.electorama.com/pipermail/election-methods-electorama.com/2014-April/097935.html
>
>     Chris  Benham
>
>

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