I think you're right. The most effective single intervention would be to make them defaultable. The transition would be ugly, because student loans would dry u

I think you're right. The most effective single intervention would be to make them defaultable. The transition would be ugly, because student loans would dry up like a pat of butter on a skillet. It would take a year or more for college tuitions to adjust, for all those administrators to be laid off, for all those leisure centers to be scrapped for firewood, etc. But then we'd be back to market driven, affordable college tuition with a solid ROI.