Benjamin Ho, an economics professor at Vassar College who is teaching Economics of Energy and the Environment on Udemy, also sees the free courses as supplements, rather than substitutes for traditional courses.
Free courses provide enrichment and application, rather than fundamental knowledge, so they can be useful for students who don't have room in their schedules to take a course on campus, according to Ho. "But for students who are interested in working in this area, the course might inspire them to take a more formal course."
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