The Falling Time Cost of College: Evidence from Half a Century of Time Use Data
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Using multiple datasets from different time periods, we document declines in academic time investment by full-time college students in the United States between 1961 and 2003. Full-time students allocated 40 hours per week toward class and studying in 1961, whereas by 2003 they were investing about
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美国国家经济研究局创建时间：
2010-04-01
