[EM] RCV Challenge

[Kristofer Munsterhjelm]

On 25.12.2021 00:18, Forest Simmons wrote:
> My proposal, Implicit Approval Chain Climbing (IACC), needs a tie
> breaker. For that purpose we require each candidate to submit a
> recommended tie breaking order. The order submitted by the highest
> implicit approval candidate will be used.
> 
> In the rare event that the tie is for highest implicit approval, break
> this tie by applying the IACC method recursively to a copy of the ballot
> set restricted to the candidates tied for highest IA.
> 
> Does that "tie up" all of the loose ends?

I'd probably just use random ballot; seems simpler... although there is
the possible summability problem.

However, the method has (as all implicit approval methods have) the
somewhat undesirable property that if everybody fully ranks the
candidates, then it's completely indecisive.

-km