Predictably Irrational, Revised and Expanded Edition: The Hidden Forces That Shape Our Decisions

Why do our headaches persist after we take a one-cent aspirin but disappear when we take a fifty-cent aspirin? Why do we splurge on a lavish meal but cut coupons to save twenty-five cents on a can of soup?When it comes to making decisions in our lives, we think we're making smart, rational choices. But are we?In this newly revised and expanded edit...