'As Adrianna Kezar, Tom DePaola and Daniel T. Scott note in their book “The Gig Academy,” about 70 percent of all college professors work off the tenure track. The majority of these professors make less than $3,500 per course, according to a 2020 report by the American Federation of Teachers.'

https://www.nytimes.com/2023/01/14/opinion/american-history-college-university-academia.html?action=click&module=Well&pgtype=Homepage&section=Guest%20Essays