If they leave trash on the floor, they'll be charged $50. So they don't leave trash on the floor. This sounds pretty rational to me. If you'd like to see act

If they leave trash on the floor, they'll be charged $50. So they don't leave trash on the floor. This sounds pretty rational to me. If you'd like to see actual examples of people being fundamentally irrational, go watch one of Dan Ariely's presentations on the poor choices humans make over at TED.