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Freakonomics (B DE BOOKS) Kindle Edition
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Economics has been traditionally focused on writing equations to explain "how things should work" assuming that nothing else changes. That's the rub. Everything else does change . . . and the theories don't work in practice. You've all heard the resulting economist jokes.
Steven Levitt does something that academics don't like anyone to do: He looks for interesting, practical questions and devises simple, straightforward solutions.
His method is usually pretty simple. He looks for patterns by using regression programs and then thinks about what the regressions might mean. That often leads to a trip to some other data, and eventually the correct cause-and-effect pattern emerges. It's like the invention methods of champion tinkerer Thomas A. Edison. Keep trying until something practical works. Fortunately, with today's computers you don't have to wait very long. The biggest challenges are in finding the right data sets, as this book shows through its example of why drug dealers usually live with their mothers.
The book indicts the media and many so-called experts who simply haven't done their homework. As a result, you can spend a lot of time being misinformed by reading the latest Congressional testimony, the latest think-tank study or by watching a talking head debate on television.Lesen Sie weiter... ›