Economics of PhD training
My wife and I did our PhDs at the University of North Carolina at Chapel Hill. It took us five years after we finished undergrad.
“Typically, the philosophy department at Boston University funds PhD candidates for up to seven years. Grippo, who uses they/them pronouns, started PhD coursework in 2019, and as of September, still had a dissertation to finish and undergraduate writing classes to teach before graduating, likely in spring 2027.
“That was until a few weeks ago, when Grippo was told they were expected to graduate this coming May — a consequence of BU’s decision to tighten funding for PhDs beyond their fifth year.
“There was suddenly a hard line that no post-fifth-year PhDs should be eligible” for university funding or teaching opportunities on campus, Grippo said. “If I knew that I was meaningfully going to have five years to finish my PhD earlier on, I would’ve done a lot of things differently.”
Time from BA/BS to PhD in the life sciences was seven years back in the day. In humanities, it was nine years. Much of that has to do with the fact that most humanities grad students support themselves on teaching assistantships, which consume a lot of bandwidth that could otherwise be used for research and writing.
Research at universities is always and everywhere a cost center. The difference between grant funding and the actual cost is made up in three ways: tuition, philanthropy and licensing.* When research support contracts, graduate programs contract.
“Brown’s expenses for its PhD programs, for example, would increase by 7.3 percent if the university did not pause doctoral admissions this year, an uptick the institution cannot afford, Doyle said in a faculty meeting. A piecemeal move last year that reduced doctoral admissions by no more than two people per department proved “unsustainable,” the Brown Daily Herald reported.
“Even the fields that have been spared from pauses in PhD admissions are looking to trim costs. The economics department at BU is enrolling fewer than half its usual number of students. And in the astronomy department at Dartmouth, a rollback in PhD admissions is not a mandate, but a cost-saving strategy from inside.”
The market for PhDs has been contracting for decades. In his 2015 book “The Graduate School Mess,” Leonard Cassuto referred to PhD programs in the humanities as “minting expired passports.” Even in STEM programs, a shrinking minority of PhDs get tenure-track faculty positions. While one might observe that other career paths have long had more applicants than positions, the opportunity cost of a PhD makes the economics of the investment more problematic than ever.
*at universities with medical schools, this can include the margin on the practice
https://www.bostonglobe.com/2025/11/25/business/phd-programs-harvard-bu-brown/
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