yes,

V = P*B - C+D



P*B = probability that your vote will make the difference times the benefit you will gain if your candidate wins or loses



C = costs. studying candidates and issues and the physical act



D = duty





the probability of your vote making a difference is vanishingly small, and voter perception of benefit.

yours being the one vote to tip the election is small.



cost means you need to (or rather should) learn about the candidates and issues covered, along with the time taken to vote.



duty is that you will over-look the odds and take the time to vote because it is your right as a citizen in a democracy



therefore, it's irrational to vote.



implications of voting:

those who vote tend to be:

-wealthy

-older

-non-minorities

-engaged in politics

-educated

-older



those who are a candidate are aware of the demographics so aim policies that will please them, v.s. those who don't vote.



and don't forget:

"democracy is the worst possible form of government, apart from all the other possible form of government"