Although educational study after study have found that students do not retain subject material, after presenting acceptable regurgitation qualifying as a passing mastering of the subject material as opposed to smaller discussion classes which require oral and written participation in which questioning is a fundamental element in the development of a critical thinking process, colleges and universities find lecture courses extremely cost effective. You can see the result in the varying quality of professional expertise and competence.
Having said that, Mark Thoma has a series of videos of his whole econometrics course (19 lectures),
Did the Euro Reduce Market Power?
22 hours ago