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> Suppose that I rate a candidate 0.7, and my neighbor ranks the candidate 0.6 . Does this mean that I like the candidate more than my neighbor does? What does
by Bromskloss 9y ago
> Suppose that I rate a candidate 0.7, and my neighbor ranks the candidate 0.6 . Does this mean that I like the candidate more than my neighbor does? What does that mean? How can we tell?
Each voter should rationally vote in whatever way maximises the expected value of his utility of the outcome. The extent to which your vote "looks like your actual preferences" depends on how the voting system is designed.
- drdeca 9y agoSure. My point was that the "pick the one with the highest average rating" doesn't obviously incentivize a particularly meaningful way to vote. I think that ideally, if it is possible without giving up too much, it is desirable that how a person would rationally vote doesn't depend very much on what they know about how other people will probably vote (though this probably isn't the most important consideration). If the system is based on people giving ratings, and there isn't anything that these ratings are designed to exactly mean, then it seems likely to me that the system wouldn't just so happen to be such that the way people are incentivized to vote would mostly not depend on how others are expected to, and also unlikely that the way people would rationally vote would match particularly well with the way that the designers of the voting system imagined. The system I gave was intended to be one in which the way people would be incentivized to vote would correspond to their preferences in a clearly defined (and sensible) way.