You only need to have better information than average voter for your vote to improve result of election. Though then again, effect of 1 vote is usually so small that the rational choice would be to vote for whatever gives you more social status.
You only need to have better information than average voter for your vote to improve result of election. Though then again, effect of 1 vote is usually so small that the rational choice would be to vote for whatever gives you more social status.