[silk] game theoretic analysis of leaving the toilet seat down

[Rishab Aiyer Ghosh]

summary: it is inefficient as a social norm, but perfect equilibrium,
once the cost of women yelling at men who leave the seat up is modelled.

http://www.scq.ubc.ca/the-social-norm-of-leaving-the-toilet-seat-down-a-game-theoretic-analysis/