[EM] Approval reducing to Plurality

Raph Frank raphfrk at gmail.com
Sun Aug 29 12:58:26 PDT 2010


On Sun, Aug 29, 2010 at 5:31 PM, Kevin Venzke <stepjak at yahoo.fr> wrote:
> Will Approval just turn into Plurality? Not really, because in Plurality
> once you have two frontrunners, this pretty much can't change: There's
> no way for a third candidate to break in. In Approval it can: If the
> third candidate can win, the polls should reveal this prior to the
> election, changing who the frontrunners are perceived to be.

Exactly.  If people fill in the poll with the strategy of "Approve all
candidates you prefer to the expected winner", then a condorcet winner
will be approved by more than half of the voters.

This will push that candidate into the top-2.



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