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Business Insider - 29 Apr 2013 - clique aqui.
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People are discouraged by the lack of job opportunities and are simply "dropping out" of the labor force after having exhausted their unemployment benefits. But that's easier said than done. Most people need some sort of income to survive - so where does that income come from? A portion of the decline can be explained by households with two incomes going to one. But that's by no means all of it.