concentrations of ethnic groups in certain professions is because role models play a huge role in how humans pick their vocations. If someone looks like me, has had a similar upbringing, belongs to the same religious order, has attended a similar school, and is making a good living, it naturally has a huge impact when I’m trying to decide my calling in life. Tall inner-city African-American kids routinely see tall African-American males playing for the NBA and leading very enviable lives. They are also aware that the childhood of these NBA stars, in many cases, is pretty similar to their own
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