Roughly 45 million Americans have student-loan debt. Of those who graduate from a public, four-year university, the average debt is more than $27,000. (Photo: Mark Simons/Purdue University)
As the cost of college skyrocketed, it created a debt burden that’s putting a drag on the economy. One possible solution: shifting the risk of debt away from students and onto investors looking for a cut of the graduates’ earning power.