Here is a great take down by Joe Ura at Pipes and Theories of a really dumb analysis of “productivity” of college professors. Studies like this are very upsetting because they come from places that should know more about empirical analysis. The validity of framing the measures in this way and making conclusions that universities could cut their instructional faculty significantly (as long as all the classes were 300 person classes) seems utterly ridiculous!
Pipes and Theories: Report Concludes That Big Classes Enroll More Students Than Small Classes
Here is the article he refers to in the Austin Statesman.
Here is the “scientific” productivity study by Richard Vedder.