Michael Simkovic (Seton Hall), Understanding Student Loans (1 of 2):
A shorthand approach sometimes used to compare the cost and benefits of higher education—comparing student loan balances at graduation to first year earnings—can be seriously misleading. The implication of this approach is that student loans have to be repaid in full shortly after graduation, and that graduates’ low initial earnings will persist for the rest of their lives.
This is an apples to oranges comparison. An investment in education pays dividends throughout one’s life. First-year earnings are one small, unrepresentative, slice of lifetime earnings. Comparing a lifetime investment to one year of expected returns on it feeds ignorance about how student loans and lifetime earnings actually work. It thus risks misleading prospective students into making financially disastrous decisions to underinvest in education. ...
Because the benefits of education accrue over the course of a career—perhaps 40 years or more—and earnings typically do not peak until middle age, the costs of education should ideally also be spread over a similar time frame.
10-years to pay for an education that provides benefits over 40 years makes little sense. For law graduates, real earnings typically continue to grow for 30 years after graduation.
Michael Simkovic (Seton Hall), Understanding Student Loans (2 of 2):
So how should our understanding of student loans apply to law students? Mortgages are routinely repaid over 30-years, even though owner-occupied housing is close to pure consumption (most of the value of housing is consumed as imputed rental income, with appreciation averaging only around 1 percent above inflation). Legal education typically provides a much higher rate of return than real estate, and is probably closer to investment than consumption.
Rather than focus on initial salaries at graduation alongside student loan balances, it would be more appropriate to emphasize student loan debt service payments, assuming students pay their loans over several decades and with payments that match the expected trajectory of earnings. This would be an apples-to-apples comparison—initial cash flows compared to initial cash flows.*
* If student loan balances or initial cost of education are presented, these should be compared to the expected present value of the boost to earnings from the degree over the course of a lifetime. Thus, for example, whenever reporting that law school costs around $100,000 on average, it should also be reported that the average value before taxes and tuition is around $1,000,000 and that the median value is around $750,000. ...
Journalists and education experts should also be careful to discuss student loans using apples-to-apples comparison—cash flows to cash flows, and lifetime present values to lifetime present values.