I believe a better solution is to cap the loan repayments to at most 10% of the borrower's Adjusted Gross Income (AGI) each year for a duration of at most 10 ye

I believe a better solution is to cap the loan repayments to at most 10% of the borrower's Adjusted Gross Income (AGI) each year for a duration of at most 10 years after graduation. You will automatically see lenders recalibrating loans to what a degree is actually worth in the job market. That would induce universities to change fees as well.