HIGHER EDUCATION BUBBLE UPDATE: The Economist: American universities represent declining value for money to their students.

A degree has always been considered the key to a good job. But rising fees and increasing student debt, combined with shrinking financial and educational returns, are undermining at least the perception that university is a good investment.

Concern springs from a number of things: steep rises in fees, increases in the levels of debt of both students and universities, and the declining quality of graduates. Start with the fees. The cost of university per student has risen by almost five times the rate of inflation since 1983 (see chart 1), making it less affordable and increasing the amount of debt a student must take on. Between 2001 and 2010 the cost of a university education soared from 23% of median annual earnings to 38%; in consequence, debt per student has doubled in the past 15 years. Two-thirds of graduates now take out loans. Those who earned bachelor’s degrees in 2011 graduated with an average of $26,000 in debt, according to the Project on Student Debt, a non-profit group.

More debt means more risk, and graduation is far from certain; the chances of an American student completing a four-year degree within six years stand at only around 57%. This is poor by international standards: Australia and Britain, for instance, both do much better.

At the same time, universities have been spending beyond their means. Many have taken on too much debt and have seen a decline in the health of their balance-sheets. Moreover, the securitisation of student loans led to a rush of unwise private lending.

Do tell.