[EM] publicly acceptability of election methods

[Kevin Venzke]

Russ,

--- Russ Paielli <6049awj02 at sneakemail.com> wrote:
> Kevin,
> 
> First, did I really write "publicly acceptability" in the title?

Yes. I just copied your mistake.

> > Suppose there are no majority-strength cycles. Those are supposed to be
> > rare, right? So say there are none.
> > 
> > Then CDTT,FPP can be defined as "elect the FPP winner, except that when more
> > than half of the voters rank X>Y, then Y can't win." Or perhaps better, "Elect
> > the candidate with the most first preferences over whom no majority ranks
> > any other candidate."
> 
> My apologies, but I don't recall what CDTT stands for or how it works in 
> general. Would you mind reminding me or pointing me to an earlier 
> explanation (or just give me the date of your introductory post on it)?

I think my most recent message on 4-candidate CDTT LNHarm failures is probably
the best intro. My initial message was a failed attempt to improve on the CDTT.

In the general case, a candidate is in the CDTT if they have a majority-strength
beatpath to any candidate having a majority-strength beatpath back. My 
suggestion is to combine this with a method satisfying LNHarm in order to
come as close as possible to satisfying LNHarm.

CDTT stands for "Condorcet doubly-augmented top tier." I'm under the impression
that Woodall gave it that name. It's not very catchy. I think of it as the
"undominated top tier," but that name may be taken.

> By the way, please don't feel slighted in any way. After all, you 
> apparently first proposed the RAV (Ranked Approval Voting) method I am 
> advocating (except for my simplification of disallowing ranking of the 
> unapproved candidates). Would you consider supporting it if we call it 
> "Venzke Voting"? 8^)

No, let's save my name for a method I still (or am yet to) really like.

I really can't believe I was the first person to suggest the RAV method.
I bet a thorough search of the archives would turn up someone earlier.

Kevin Venzke



	

	
		
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