This makes them more likely to drop out, explains William Bowen, a former president of Princeton, who co-wrote a book on completion rates.

普林斯顿大学前校长威廉·鲍文认为，正是因为准备不足让学生们更容易在大学半途辍学。 威廉鲍文去年10月（译者加）刚与另外两位作者合作出版了一本关于大学毕业率的书。

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In the 1960s the economists William Baumol and William Bowen identified the productivity problem at the root of the rising relative cost of higher education.

FORBES: The Real Winners of the Coming Revolution in Higher Education

Jim Blair, Sister Margaret Blandford, Jerry Bookout, Loretta Bookout, Martin Borchert, Rosemary Borchert, Constance Bowen, William Bowen, Charlotte Bradbury, Curtis Bradbury, Anne Bradford, Jay Bradford, Sarah Jane Bradshaw, Stanley Bradshaw, Richard Bronfman, Sheila Bronfman, Chris Burrow, Mary Chris Burrow, Dr. Bettie Caldwell, Bess Campbell, Craig Campbell, Craig Campbell Jr.

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