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AS the N.B.A. season gets under way, there is no doubt that the league’s best player is 6-foot-8 LeBron James, of the Miami Heat. Mr. James was born poor to a 16-year-old single mother in Akron, Ohio. The conventional wisdom is that his background is typical for an N.B.A. player. A majority of Americans, Google consumer survey data show, think that the N.B.A. is composed mostly of men like Mr. James. But it isn’t.

I recently calculated the probability of reaching the N.B.A., by race, in every county in the United States. I got data on births from the Centers for Disease Control and Prevention; data on basketball players from basketball-reference.com; and per capita income from the census. The results? Growing up in a wealthier neighborhood is a major, positive predictor of reaching the N.B.A. for both black and white men.

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– http://www.nytimes.com/2013/11/03/opinion/sunday/in-the-nba-zip-code-matters.html?pagewanted=1&ref=todayspaper