David Blaine Ridley

David Blaine Ridley

Professor of the Practice of Economics

External Address: 
100 Fuqua Drive, Durham, NC 27708-0120
Internal Office Address: 
Duke Box 90120, 100 Fuqua Drive, Durham, NC 27708-0120
(919) 660-3784

David Ridley is the Dr. and Mrs. Frank A. Riddick Professor of the Practice of Business. He is also the Faculty Director of Duke's Health Sector Management program. In his research, David examines innovation and pricing in health care. David was the lead author of the paper proposing the priority review voucher program which became law. Voucher sales total more than a billion dollars and the program has encouraged development of many drugs for neglected and rare diseases. David's research appears in economics journals (Journal of Public Economics), medical journals (Journal of the American Medical Association), and scientific journals (Nature Reviews Drug Discovery). He is the principal investigator on a grant from the Gates Foundation for 2018 to 2020. He received a PhD in economics from Duke University in 2001.


  • Ph.D., Duke University 2001
  • M.A., Duke University 1995
  • B.A., University of Missouri at Columbia 1993

Ridley, David B., and Kevin A. Schulman. “Differential pricing of pharmaceuticals in the internet age..” The Journal of Ambulatory Care Management 27, no. 3 (July 2004): 210–14. https://doi.org/10.1097/00004479-200407000-00004. Full Text

Shah, Bimal R., Shelby D. Reed, Jennifer Francis, David B. Ridley, and Kevin A. Schulman. “The cost of inefficiency in US hospitals, 1985-1997..” J Health Care Finance 30, no. 1 (2003): 1–9.