@Ali1302, re: social sciences:
You have a lot to learn. That’s all I will say.
Re: MBA salaries:
So it looks like Cambridge has pulled even with UMich while UMich still has Oxford beat.
Meanwhile, the top European MBA programs (LBS & INSEAD) are behind the American M7 b-schools (HBS, Stanford, Wharton, Chicago Booth, MIT Sloan, Kellogg, and Columbia) as well as Haas.