Because so many of their students struggle with the cost of course materials, more professors are opting to use free open educational resources (OER) in their courses, rather than expensive traditional textbooks. But other faculty worry that the quality of OER might not equal that of traditional textbooks, according to a report conducted by the Babson Survey Research Group at Babson College in Wellesley, Massachusetts.
https://bized.aacsb.edu/articles/2019/march/what-do-faculty-think-of-open-educational-resources