Philippe Aghion (born August 17, 1956) is a French economist. He is Robert C. Waggoner Professor of Economics at Harvard University, having previously been Professor at University College London, an Official Fellow at Nuffield College, Oxford, and an Assistant Professor at Massachusetts Institute of Technology (MIT).
His main research work is on growth and contract theory. With Peter Howitt, he developed the so-called "Schumpeterian paradigm", and extended the paradigm in several directions; much of the resulting work is summarised in his joint book with Howitt entitled "Endogenous Growth Theory".
Aghion is a graduate of the Ecole Normale Superieure de Cachan (ENS Cachan, Mathematics Section), has a Diplome d’etudes approfondies (DEA) in Mathematical Economics from University of Paris 1 Pantheon-Sorbonne, and a Ph.D. from Harvard University (1987). He was elected a Fellow of the American Academy of Arts and Sciences in 2009 and he is a member of the Executive and Supervisory Committee (ESC) of CERGE-EI.