Seems to be a strange hybrid of ranked Bucklin and IRV-like elimination. I would need more time to process it fully, but at first blush, I don't think your "proof" that it's monotonic holds up. Raising a candidate means lowering some other candidate; eliminating that other candidate can change other ballots; and that could lead to the raised candidate being eliminated. Haven't come up with an example, but you certainly seem to have left this possibility out of your proof. I further suspect that if monotonicity breaks down, then IIA almost certainly will as well.<div>
<br></div><div>In general, your method is a ranked one, so it's unproblematically subject to Arrow's limitations. If it meets IIA, which other Arrow criterion does it fail?</div><div><br></div><div>Jameson</div><div>
<br></div><div>ps. when it comes to methods with incredibly <a href="http://en.wikipedia.org/wiki/User:Homunq">awesome properties</a> that are too new to even merit a wikipedia page... why not stay with <a href="http://wiki.electorama.com/wiki/SODA_voting_(Simple_Optionally-Delegated_Approval)">SODA voting</a> :)</div>
<div><div><br></div><div><br><br><div class="gmail_quote">2012/6/8 Nicholas Buckner <span dir="ltr"><<a href="mailto:nlborlcl@gmail.com" target="_blank">nlborlcl@gmail.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hello,<br>
<br>
I am Nicholas Buckner. I developed an alternative method that takes<br>
the Independence of Irrelevant Alternatives path over the Condorcet<br>
path. It handles single-winner elections and multiple-winner<br>
elections. I believe it satisfies a great number of criterions,<br>
including difficult ones like Clone Independence and Participation.<br>
<br>
I include C++ source code of a program that reads csv files so that<br>
many can easily test my method. First column for votes, second column<br>
for first preferences, third column for second preferences, and so on.<br>
0 for no-preference, 1 for Candidate 1, 2 for Candidate 2, and so on.<br>
Reads a file called A.csv in the same directory as the compiled<br>
program.<br>
<br>
Here is a link to the 11-page proposal (7 pages are source code):<br>
<a href="https://www.smashwords.com/books/view/169095" target="_blank">https://www.smashwords.com/books/view/169095</a><br>
The pdf version leaves the data tables intact the most.<br>
<br>
Any help verifying it would be appreciated,<br>
Nicholas Buckner<br>
----<br>
Election-Methods mailing list - see <a href="http://electorama.com/em" target="_blank">http://electorama.com/em</a> for list info<br>
</blockquote></div><br></div></div>