[EM] Can someone point me at an example of the nonmonotonicity of IRV?

rob brown rob at karmatics.com
Sun Aug 10 01:07:01 PDT 2008


On Sat, Aug 9, 2008 at 9:13 PM, Kathy Dopp <kathy.dopp at gmail.com> wrote:

> > From: "rob brown" <rob at karmatics.com>
> > Subject: Re: [EM] Can someone point me at an example of the
> >        nonmonotonicity of IRV?
>
> > Are you aware that in going to a doctor to treat an injury, you can get
> in a
> > car accident and get injured some more?  Why would anyone go to a doctor
> if
> > doing so can actually make your health WORSE?
>
> OK. So you are saying we must use voting methods where voting for our
> FIRST-Choice candidate as our LAST Choice helps our first choice
> candidate win, and when I go to the polls I have no idea if that is
> true or false because "I might get into an accident when I drive to
> the doctor when I'm sick?
>
> I must have fallen down the rabbit hole when I joined this list.
>

What?

My point, which you have managed to spectacularly mangle, is that you are
ranting about something that is possible, but highly unlikey.  You seem to
be obsessed with the non-zeroness of the possibility, rather than putting it
in a reasonable, balanced perspective.

I am *not* paralyzed. I have DECIDED that I IRV voting is an insane
> voting method that would cause much more havoc with voting systems.
>

I am not talking about the decision of what voting method you, or any
election method advocate, prefer.  I am talking about the decision a voter
makes when filling out a ballot, given a method.

But I think you knew that.
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