Great and funny book
I read this book and then passed it along to someone else - it is a great book and very funny - most people I have spoken to - don't finish - don't go in with the right attitude - but it is a way to compare how society looks at certain things for what is right and wrong - good or bad - when you understand the premises of the book - then you get it right away - have fun with this book - don't let the author's career choices scare you - they have a great sense of humor.

Debunked
Some of the notions that the author presents as fact in this book have been debunked. This author has no credibility any more.

Good book, but I'm not sure if I learned anything
The books was well written, but I'm not really sure how much I've learned from it.

Neo-Liberalism with a Human Smirk
Author Steven Levitt is a recently graduated chef from the Culinary Institute of Elitist Capitalism, AKA The University of Chicago. Freakonomics is a kind of nouvelle cuisine version of economic modeling and game-theory as practiced by the disciples of Milty Friedman, but rather little of the book is spent on economic recipes per se, once the basic assertion has been made that "incentives' are the yeast that cause all human behavior to rise. Rather, Levitt puts everything from soup kitchens to swimming pools through the blender of statistics -- the very sort of statistical analysis used by the authors of The Bell Curve and discredited by Stephen Jay Gould in the book The Mismeasurement of Man, the very sort of statistics that can be used to prove that the older you get in Miami, the more likely you are to be Jewish.

Levitt's basic dough: Start with John Stuart Mill and every other 19th C liberal social theorist. Knead thoroughly into a sticky paste. Add a handful of candied fruit in the form of the more radical 19th C postulators - Fourier, Henry George, Bellamy, and Karl Marx as understood before the Russian Revolution. Soften the dough with as much Thorstein Veblen as you can remember. Spice it with generous amounts of scorn for "them" - anthropologists, psychologists, and others who think that human behavior is shaped by more impulses than acquisition and that specific cultural 'memes' play a role. Half-bake the dough in a journalistic oven with the temperature set on SELL. Frost the loaf with an icing of Ayn Rand super-individualism. But don't expect the finished cake to be much different from cakes you've eaten before. There's nothing new in Freakonomics except the smirky style.

Honestly, many readers might find this book stimulating, or over-stimulating, depending on their prior convictions. Go on! Read it! But read it with the same skepticism you'd apply to the gospel of any other religion than your own - Shinto, Islam, Swedenborgian, Leninist, Maoist. This is a book where the reader will be easily tricked into mistaking polemics for proof.

Freakonomics
This is an entertaining look at economics and gave valid views on how our systems works.