So a traditional four-year college is a pretty inefficient way to learn career specific information and skills. Yet a college degree does seem to raise a student's wages, even if he studies a subject unrelated to his subsequent career. And counterintuitively, academically-oriented universities and liberal arts colleges seem to improve their students' career prospects more than more vocationally-focused community colleges. I don't think anyone clearly understands why this happens, but this seems like a problem you need to wrestle with if you want to suggest ways to reform higher education. And Christensen doesn't really do this.
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