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Most theories of occupational regulation posit that the effects of occupational licensure regulations—laws that require members of an occupation to possess a license in order to practice—increase with time. In this paper, we take advantage of a quasi-experiment afforded by the fact...
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It is difficult to assess the extent to which course evaluations reflect how much students truly learn from a course because valid measures of learning are rarely available. This paper makes use of a unique setting in which students take a common, high-stakes post-test which is centrally graded...
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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...
Persistent link: https://www.econbiz.de/10008624589
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...
Persistent link: https://www.econbiz.de/10009150838
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...
Persistent link: https://www.econbiz.de/10010677998
In 1961, the average full-time student at a 4-year college in the U.S. studied about 24 hours per week, while his modern counterpart puts in only 14 hours a week. Students now study less than half as much as universities claim to require. This dramatic decline in study times occurred for...
Persistent link: https://www.econbiz.de/10010678001
We derive some new results on the expectation of quadratic forms in normal and nonnormal variables. Using a nonstochastic operator, we show that the expectation of the product of an arbitrary number of quadratic forms in noncentral normal variables follows a recurrence formula. This formula...
Persistent link: https://www.econbiz.de/10004979095