khafra comments on Voting is like donating thousands of dollars to charity - Less Wrong

32 Post author: Academian 05 November 2012 01:02AM

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Comment author: khafra 06 November 2012 08:01:26PM 4 points [-]

it sends a message to mainstream candidates that you vote, but they have to work harder to appeal to your interest group to get your vote.

I recently heard an argument to the contrary: Viewing voter preferences along one dimension for simplicity, if a small percentage on the left breaks away and votes for an extreme-left candidate, the mainstream left candidate may actually move further to the right--since the majority of undecided voters are in the middle, not along the boundary between left and extreme-left.

This may not generalize to a hyperplane separating a particular non-mainstream candidate from other candidates in n-dimensional policy-space, but I don't know if presidential campaigns are set up to do that level of analysis.

Comment author: apotheon 18 November 2012 02:46:16AM 1 point [-]

You were right when you described "along one dimension" as being simplistic. There are other options than extreme-left, left, centrist, right, and extreme-right (for instance). Engaging in false dilemma reasoning as an excuse to vote for a mainstream candidate with no interest in sending political messages encouraging reform is not particularly rational.