John Young Campbell (born May 17, 1958) is a British-American economist who has served as the Morton L. and Carole S. Olshan Professor of Economics at Harvard University since 1994.^[2]

Born in London, Campbell was educated at the Dragon School, Winchester College, and Corpus Christi College, Oxford, where he read PPE and took a first in 1979.^[2][3] From 1979 to 1984, he attended Yale University, receiving an MPhil in 1981, and a PhD in 1984.^[2] His thesis adviser at Yale was Robert J. Shiller.^[4]

From 1984 to 1994, Campbell taught at Princeton University, where he was an assistant professor from 1984 to 1989, and the Class of 1926 Professor of Economics from 1989 to 1994.^[2] In 1994, he became the Otto Eckstein Professor of Applied Economics at Harvard University, where he has remained ever since; he was named the Morton L. and Carole S. Olshan Professor of Economics in 2005, and held a Harvard College Professorship from 2006 to 2011.^[2]

Campbell has been a research associate at the NBER since 1987, and was elected a Fellow of the Econometric Society in 1990.^[2] He was elected a Fellow of the American Academy of Arts and Sciences in 2000, and served as President of the American Finance Association in 2005.^[2]

Campbell has received various honors, including:

• Corresponding Fellow, British Academy, 2009^[2]
• Honorary Fellow, Corpus Christi College, Oxford, 2008^[2]
• Paul A. Samuelson Award for Outstanding Scholarly Writing in Lifelong Financial Security, TIAA-CREF, with Luis Viceira, 2002; with John Cochrane (Certificate of Excellence), 1999; with Andrew Lo and Craig MacKinlay, 1997^[2]
• Association of American Publishers Award for Best Professional/Scholarly Book in Economics, with Andrew Lo and Craig MacKinlay, 1997^[2]
• Honorary doctorates from BI Norwegian Business School, 2018; Copenhagen Business School, 2015; Maastricht University, 2009; Université Paris Dauphine, 2009^[2]
• President, International Atlantic Economic Society, 2008^[2]

His invited lectures include:

• Arrow Lectures, Stanford University, 2017^[2]
• Ely Lecture, American Economic Association, 2016^[2]
• Princeton Lectures in Finance, 2008^[2]
• Presidential Address, American Finance Association, 2006^[2]
• Joint Luncheon Address to the American Economic Association and the American Finance Association, 2002^[2]
• Marshall Lectures, University of Cambridge, 2001^[2]
• Clarendon Lectures, University of Oxford, 1999^[2]

Campbell is married with four adult children and lives in Lexington, Massachusetts.^[5]

Campbell is known for his research in financial economics, macroeconomics, and econometrics. He concentrates on asset pricing, portfolio choice for long-term investors, and household finance.

Campbell co-edited the American Economic Review from 1991 to 1993 and edited the Review of Economics and Statistics from 1996 to 2002.  He served on the executive committee of the American Economic Association from 2016 to 2018, and chaired the Association's Ad Hoc Committee to Consider a Code of Professional Conduct during this period. Campbell was Chairman of the Department of Economics at Harvard from 2009 to 2012. He served on the board of the Harvard Management Company from 2004 to 2011, and is a partner at Arrowstreet Capital, an asset management company that he helped found in 1999.^[6]

• Financial Decisions and Markets: A Course in Asset Pricing (Princeton University Press 2018);
• The Squam Lake Report: Fixing the Financial System (with the Squam Lake Group of financial economists, PUP 2010);
• Strategic Asset Allocation: Portfolio Choice for Long-Term Investors (with Luis Viceira, Oxford University Press 2002);
• The Econometrics of Financial Markets (with Andrew Lo and Craig MacKinlay, PUP 1997).
• Financial Decisions and Markets: A Course in Asset Pricing. The book gives a broad graduate-level overview of asset pricing. Campbell shows the interplay of theory and evidence in his book; the interplay gives us a sense of how theorists respond to empirical puzzles, for example by developing models with new testable implications

• John Y. Campbell at Harvard University
• CV of John Y. Campbell
• Books published by John Y. Campbell