Here seems a good place to start. Essentially, if you live in a large country, and the split of support is not extremely close to 50⁄50 then your vote has an exponentially small chance of determining the winner. Thus the signalling effect of voting third party is probably much bigger.
Here seems a good place to start. Essentially, if you live in a large country, and the split of support is not extremely close to 50⁄50 then your vote has an exponentially small chance of determining the winner. Thus the signalling effect of voting third party is probably much bigger.