Mostly because of:
- The rolodex factor.
- The fact that people that go to Harvard are already smart, and they would be successful anyway.
- The rolodex factor.
- The fact that people that go to Harvard are already smart, and they would be successful anyway.
http://www.nber.org/papers/w7322.pdf
I'm not sure if this is a generally available link; I am using it from a Stanford IP which may have purchased access. The paper is Dale and Krueger, "Estimating the Payoff to Attending a More Selective College: An Application of Selection on Observables and Unobservables."