south side $40,000 to $60,000 what is this harvard education going to cost me as opposed to a umass education. we need to crack that open more and we think that light will help us solve this problem. >> on the other hand if you look at what my money the most important, it would she georgetown center on education and the workforce. what they've shown is as you've pointed out, an increase in the nrt of education, but the vast majority of those students have been channeled through the two and four-year colleges. the institutions putting the most resources to students and getting the best outcomes are putting more towards the systems. ultimately, the higher education developing into a two-tier system that has the ability to reinforce as opposed to breaking down the divisions in society? >> i do think it's a risk. i think we have to keep an eye on this problem of education becoming a luxury good. we have to reward institutions when they do do more. the second piece of social science research of enormous significance is undermatching research. i think that some of these are information problems and