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SODA voting (Simple Optionally-Delegated Approval): Difference between revisions
SODA voting (Simple Optionally-Delegated Approval) (view source)
Revision as of 18:11, 28 June 2011
, 13 years ago→Procedure
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# There is a brief period - perhaps a week or two - for candidates to analyse and negotiate based on these preliminary results. (Actually, in the broad majority of cases, the correct strategies for all candidates and the resulting winner will already be obvious. Usually, all candidates except this winner would concede as soon as preliminary results are announced. However, for the occasional candidate inclined to act irrationally in a way that matters - say, by not delegating to an ally, even though the alternative is to see an enemy elected - this interim period would give them a chance to rethink things and come into reason.)
# All candidates simultaneously delegate their votes; that is, they choose an N, and add their "delegable vote" total to the approval totals of their top N favorites as announced in step one. They may choose N=0 - that is, not delegate their vote to anyone. They may not choose N=(number of candidates) - that is, delegate their votes to everyone. If they declared a tie in their preferences, they must either delegate to all candidates whom they included in that tie (as well as anyone they ranked above that), or none of them.
# The highest total wins.
(Note: it would be possible, if there were multiple candidates with an absolute majority at this point, to choose the one of them with the highest initial total. That would be equivalent to considering the delegated votes as middle-rated votes in [[Majority Judgment]]. However, this extra complication would matter so rarely that it is not worth it.)▼
(Optional rule 4A: If any candidate has less than 5% (of the total votes) as delegable votes, and is not one of the top two in total votes, then those votes are automatically delegated to the first candidate on their approval list who has more than 5% delegable votes or more than 20% total votes. They will be further delegated to the largest sequence from their original candidate's preference order which is contained in their receiving candidate's delegations. So if they originally went to A who preferred alphabetically, then and they're passed to D who delegates to BCEGH, they'll end up approving ABCDE. This rule prevents giving excessive kingmaker power to a tiny faction. Note that all delegation is still non-exclusive, approval-style.)
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== Example ==
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