Increasing Time to Baccalaureate Degree in the United States
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Time to completion of the baccalaureate degree has increased markedly in the United States over the last three decades, even as the wage premium for college graduates has continued to rise. Using data from the National Longitudinal Survey of the High School Class of 1972 and the National Educational
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美国国家经济研究局创建时间：
2010-04-01
