Babcock, Philip; Marks, Mindy - In: The Review of Economics and Statistics 93 (2011) 2, pp. 468-478
Using multiple data sets 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...