It is not a capitalist economy. Risk appraisal and competitive salary structure are broken by federal and state education aid. In a capitalist structure free of interference, the actual risks associated with lending out that much money to people would play a heavy factor into who was able to take out what loans and who would be willing to go to what schools. The IRR of a college education is severely restated due to these external forces, how can you argue its unfettered capitalism?