Although most people cast their vote for the candidate they would prefer to win the election, there are situations when it may be rational not to do so. This is often the case where voters not only have a preference for one party, but a strong distaste...

In voting systems, tactical voting (or strategic voting or sophisticated voting) occurs when a voter supports a candidate other than his or her sincere preference in order to prevent an undesirable outcome. It has been shown by the Gibbard-Satterthwaite...