Dan Ariely (the "Predictably Irrational" author) also wrote "The Honest Truth about Dishonesty". There were studies there that showed cheating is a slippery slo

Dan Ariely (the "Predictably Irrational" author) also wrote "The Honest Truth about Dishonesty". There were studies there that showed cheating is a slippery slope. Once you cheat with something small, you're more likely to cheat again about something bigger.