Freakonomics by Steven D. Levitt interesting book for the guy who likes to generate “controversial” discussions at parties. So sumo wrestlers cheat, drug dealers live with their parents, and real estate agents receive a higher closing price when they sell a house that they own themselves. OK. Steven Levitt delivers his arguments in a light, easy to read, slightly esoteric format. The economics are sound. Basically the pretence is that every individual is interested in maximising their utility. OK. The most contentious chapter concerns Levitt’s belief that the decline of the crime rate in the late 1990s was caused by …