Some economists say OpenStax and other OER producers helped to halt the decades-long rise of textbook prices, which, along with other supplies, now set the average undergraduate back between $1,200 and $1,440 each school year, according to the College Board. Feeling squeezed, for-profit publishers are searching for new revenue by selling colleges digital homework systems that charge students up to $100 for a semester’s worth of access. Since professors typically require use of these tools to participate in class, students complain that they are essentially being charged to turn in their assignments.
https://www.edsurge.com/news/2019-10-24-how-a-university-took-on-the-textbook-industry