The provocative follow-up to the New York Times bestseller Predictably IrrationalWhy can large bonuses make CEOs less productive?How can confusing directions actually help us?Why is revenge so important to us?Why is there such a big ...

Why do our headaches persist after taking a one-cent aspirin but disappear when we take a 50-cent aspirin? Why does recalling the Ten Commandments reduce our tendency to lie, even when we couldn't possibly be caught? Why do we...