Paul Michael Romer (born November 6, 1955) is an American economist, a pioneer of endogenous growth theory, and a co-recipient of the 2018 Nobel Memorial Prize in Economic Sciences. He received the prize "for integrating technological innovations into long-run macroeconomic analysis".
Romer was Chief Economist and Senior Vice President of the World Bank until he resigned in January 2018 following a controversy arising from his claim of possible political manipulation of Chile's "ease of doing business" ranking. He had been on leave from his position as professor of economics at the Stern School of Business at New York University.
Prior to New York University, Romer was a professor of economics at the University of Chicago, the University of California, Berkeley, the Stanford University's Graduate School of Business, and the University of Rochester. In addition, Romer was a senior fellow at Stanford's Center for International Development, the Stanford Institute for Economic Policy Research, the Hoover Institution, as well as a fellow at the Center for Global Development.