If you are right that it is nothing better than what appears in a econ textbook, that tells us what happens to a social scientist if he knows little...
Well, what a long thread
1. If the MC is not increased probability of failing to pass prelims/ hand in a good job-market paper/ get tenure, etc, and...
Well, social sciences benefit more in the long run. But as far as I see, taking formal classes in these fields isn't always necessary for econ major....