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Re: [EM] Election-Methods Digest, Vol 202, Issue 4

RC
Ricky Campbell
Wed, May 12, 2021 9:04 PM

I have not subscribed to you
On Wed, May 12, 2021 at 2:02 PM <election-methods-request@lists.electorama.comelection-methods-request@lists.electorama.com> wrote:
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Today's Topics:

  1. "Strategy with RCV" on reddit (Rob Lanphier)
  2. Re: "Strategy with RCV" on reddit (Kristofer Munsterhjelm)

Message: 1
Date: Tue, 11 May 2021 16:39:59 -0700
From: Rob Lanphier <roblan@gmail.comroblan@gmail.com>
To:election-methods@lists.electorama.com election-methods@lists.electorama.com
Subject: [EM] "Strategy with RCV" on reddit
Message-ID:
<CAK9hOY=3aQnqUEHyPsux0r8krW8LeG_0-xWD8m9McvySiBY0bA@mail.gmail.com3aQnqUEHyPsux0r8krW8LeG_0-xWD8m9McvySiBY0bA@mail.gmail.com>
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Hi folks,
Interesting proposed strategy for RCV posted on reddit here:
https://www.reddit.com/r/EndFPTP/comments/n7wqxa/strategy_with_rcv/https://www.reddit.com/r/EndFPTP/comments/n7wqxa/strategy_with_rcv/
Those of y'all that have reddit accounts should just post your
response there rather than replying here. I have some thoughts
swirling about the 2018 mayoral race here in San Francisco, but I
haven't done a full analysis of THAT election yet. I'm curious how
similar I'm going to find SF 2018 to what /u/After-Season9338
Rob

Message: 2
Date: Wed, 12 May 2021 11:49:56 +0200
From: Kristofer Munsterhjelm <km_elmet@t-online.dekm_elmet@t-online.de>
To: Rob Lanphier <roblan@gmail.comroblan@gmail.com>,
election-methods@lists.electorama.comelection-methods@lists.electorama.com
Subject: Re: [EM] "Strategy with RCV" on reddit
Message-ID: <67a5a77c-5627-6b91-1d50-62aac624ae5c@t-online.de67a5a77c-5627-6b91-1d50-62aac624ae5c@t-online.de>
Content-Type: text/plain; charset=utf-8
On 12/05/2021 01.39, Rob Lanphier wrote:

As I understand it, the strategy is that the Republicans support a
further-left party (the Greens) so as to engineer a center squeeze
against the Democrats.
But given that the republicans' sincere ranking presumably is R>D>G, it
doesn't seem like they gain anything by doing so, since getting the
Greens elected instead of the Democrats would be a worse outcome.
Maybe it could be used to discredit IRV and return to FPTP. That could
be an interesting perspective: any voting method where enough voters can
be convinced to vote against their honest preferences, and which then
results in a seemingly incomprehensible or bad outcome, would be
vulnerable to such an attack.
For instance, an Approval election could be attacked by splitting a
party into a better and worse party, and then through duplicitous
"advice", engineering a Burr failure.
However, there's a kind of tension. If the bad outcome is obviously bad,
it's going to be hard to get the voters to go along with the unwitting
sabotage. On the other hand, if the bad outcome is not obviously bad,
the voters might not get sufficiently angry to repeal the method.
The concept of an attack on the legitimacy of the method itself is an
interesting one, though. The more advanced early EM criteria (SFC, SDSC,
immunity to majority complaints, etc.) might help defend against such
attacks.

Those of y'all that have reddit accounts should just post your
response there rather than replying here.

I used to be on Reddit, but I didn't like what it was turning me into,
so I've taken a break :-)
-km

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End of Election-Methods Digest, Vol 202, Issue 4


I have not subscribed to you On Wed, May 12, 2021 at 2:02 PM <<election-methods-request@lists.electorama.com>election-methods-request@lists.electorama.com> wrote: Send Election-Methods mailing list submissions to <election-methods@lists.electorama.com>election-methods@lists.electorama.com To subscribe or unsubscribe via the World Wide Web, visit <http://lists.electorama.com/listinfo.cgi/election-methods-electorama.com>http://lists.electorama.com/listinfo.cgi/election-methods-electorama.com or, via email, send a message with subject or body 'help' to <election-methods-request@lists.electorama.com>election-methods-request@lists.electorama.com You can reach the person managing the list at <election-methods-owner@lists.electorama.com>election-methods-owner@lists.electorama.com When replying, please edit your Subject line so it is more specific than "Re: Contents of Election-Methods digest..." Today's Topics: 1. "Strategy with RCV" on reddit (Rob Lanphier) 2. Re: "Strategy with RCV" on reddit (Kristofer Munsterhjelm) ---------------------------------------------------------------------- Message: 1 Date: Tue, 11 May 2021 16:39:59 -0700 From: Rob Lanphier <<roblan@gmail.com>roblan@gmail.com> To:<election-methods@lists.electorama.com> election-methods@lists.electorama.com Subject: [EM] "Strategy with RCV" on reddit Message-ID: <CAK9hOY=<3aQnqUEHyPsux0r8krW8LeG_0-xWD8m9McvySiBY0bA@mail.gmail.com>3aQnqUEHyPsux0r8krW8LeG_0-xWD8m9McvySiBY0bA@mail.gmail.com> Content-Type: text/plain; charset="UTF-8" Hi folks, Interesting proposed strategy for RCV posted on reddit here: <https://www.reddit.com/r/EndFPTP/comments/n7wqxa/strategy_with_rcv/>https://www.reddit.com/r/EndFPTP/comments/n7wqxa/strategy_with_rcv/ Those of y'all that have reddit accounts should just post your response there rather than replying here. I have some thoughts swirling about the 2018 mayoral race here in San Francisco, but I haven't done a full analysis of THAT election yet. I'm curious how similar I'm going to find SF 2018 to what /u/After-Season9338 Rob ------------------------------ Message: 2 Date: Wed, 12 May 2021 11:49:56 +0200 From: Kristofer Munsterhjelm <<km_elmet@t-online.de>km_elmet@t-online.de> To: Rob Lanphier <<roblan@gmail.com>roblan@gmail.com>, <election-methods@lists.electorama.com>election-methods@lists.electorama.com Subject: Re: [EM] "Strategy with RCV" on reddit Message-ID: <<67a5a77c-5627-6b91-1d50-62aac624ae5c@t-online.de>67a5a77c-5627-6b91-1d50-62aac624ae5c@t-online.de> Content-Type: text/plain; charset=utf-8 On 12/05/2021 01.39, Rob Lanphier wrote: > Hi folks, > > Interesting proposed strategy for RCV posted on reddit here: ><https://www.reddit.com/r/EndFPTP/comments/n7wqxa/strategy_with_rcv/> https://www.reddit.com/r/EndFPTP/comments/n7wqxa/strategy_with_rcv/ As I understand it, the strategy is that the Republicans support a further-left party (the Greens) so as to engineer a center squeeze against the Democrats. But given that the republicans' sincere ranking presumably is R>D>G, it doesn't seem like they gain anything by doing so, since getting the Greens elected instead of the Democrats would be a worse outcome. Maybe it could be used to discredit IRV and return to FPTP. That could be an interesting perspective: any voting method where enough voters can be convinced to vote against their honest preferences, and which then results in a seemingly incomprehensible or bad outcome, would be vulnerable to such an attack. For instance, an Approval election could be attacked by splitting a party into a better and worse party, and then through duplicitous "advice", engineering a Burr failure. However, there's a kind of tension. If the bad outcome is obviously bad, it's going to be hard to get the voters to go along with the unwitting sabotage. On the other hand, if the bad outcome is not obviously bad, the voters might not get sufficiently angry to repeal the method. The concept of an attack on the legitimacy of the method itself is an interesting one, though. The more advanced early EM criteria (SFC, SDSC, immunity to majority complaints, etc.) might help defend against such attacks. > Those of y'all that have reddit accounts should just post your > response there rather than replying here. I used to be on Reddit, but I didn't like what it was turning me into, so I've taken a break :-) -km ------------------------------ Subject: Digest Footer _______________________________________________ Election-Methods mailing list <Election-Methods@lists.electorama.com>Election-Methods@lists.electorama.com <http://lists.electorama.com/listinfo.cgi/election-methods-electorama.com>http://lists.electorama.com/listinfo.cgi/election-methods-electorama.com ------------------------------ End of Election-Methods Digest, Vol 202, Issue 4 ************************************************