of Everything 3 In which the books central idea is set forth: namely, if morality repre- sents how people would like the world to work, then economics shows how it actually does work. Why the conventional wisdom is so often wrong . . . How "experts"- from criminologists to real-estate agents to political scientists-bend the facts . . . Why knowing what to measure, and how to measure it, is the key to understanding modern life . . . What is "freakonomics," anyway?     1. What Do Schoolteachers and Sumo Wrestlers Have in Common? 19 In which we explore the beauty of incentives, as well as their dark side-cheating. Co n t e n t s     Who cheats? Just about everyone . . . How cheaters cheat, and how to catch them . . . Stories from an Israeli day-care center . . . The sudden dis- appearance of seven million American children . . . Cheating schoolteachers in Chicago . . . Why cheating to lose is worse than cheating to win . . . Could sumo wrestling, the national sport of Japan, be corrupt? . . . What the Bagel Man saw: mankind may be more honest than we think.     2. How Is the Ku Klux Klan Like a Group of Real-Estate Agents? 55 In which it is argued that nothing is more powerful than information, especially when its power is abused. Going undercover in the Ku Klux Klan . . . Why experts of every kind are in the perfect position to exploit you . . . The antidote to information abuse: the Internet . . . Why a new car is suddenly worth so much less the moment it leaves the lot . . . Breaking the real-estate agent code: what "well maintained" really means . . . Is Trent Lott more racist than the average Weakest Link contestant? . . . What do online daters lie about?