IAS? The large number of "think tanks" which are often funded through a diverse set of grants (RAND, MITRE) ISI? (the one at USC which invented a lot of the

IAS? The large number of "think tanks" which are often funded through a diverse set of grants (RAND, MITRE) ISI? (the one at USC which invented a lot of the Internet, not the one funding Al Qaeda) Cheap access to grad students and assistant professors, as well as access to USG funding (and easy visas), probably pushes a lot of this into university affiliated or university departments.