Roger G. Ibbotson
Professor in the Practice Emeritus of Finance
Roger G. Ibbotson is Professor in the Practice Emeritus of Finance at Yale School of Management. He is also chairman of Zebra Capital Management, LLC, an equity investment, index, and hedge fund manager. He is founder, advisor and former chairman of Ibbotson Associates, now a Morningstar Company. He has written numerous books and articles including Stocks Bonds Bills and Inflation with Rex Sinquefield (updated annually) which serves as a standard reference for information and capital market returns.
Professor Ibbotson conducts research on a broad range of financial topics, including popularity, liquidity, investment returns, mutual funds, international markets, portfolio management, and valuation. He has recently published Popularity: A Bridge between Classical and Behavioral Finance and Lifetime Financial Advice. He has also co-authored The Equity Risk Premium with William Goetzmann and two books with Gary Brinson, Global Investing and Investment Markets. He is a regular contributor and editorial board member to both trade and academic journals.
Professor Ibbotson served on numerous boards, including Dimensional Fund Advisors’ funds. He frequently speaks at universities, conferences, and other forums. He received his bachelor’s degree in mathematics from Purdue University, his MBA from Indiana University, and his PhD from the University of Chicago where he taught for more than ten years and served as executive director of the Center for Research in Security Prices.
Education
- PhD, University of Chicago, 1974
- MBA, Indiana University, 1967
- BS, Purdue University, 1965
Selected Works
Articles
- Momentum, Acceleration, & Reversal
J. X. Xiong and R.G. Ibbotson
Journal of Investment Management
2015 - Volatility vs. Tail Risk: Which One is Compensated in Equity Funds
J. X. Xiong, T. Idzorek, and R.G. Ibbotson
Journal of Portfolio Management
2014 - Popularity and Asset Pricing
T. Idzorek and R.G. Ibbotson
Special 25th Anniversary Issue
Spring 2017
Rewritten version “Chapter 3; Popularity and Asset Pricing” in Popularity: A Bridge Between Classical Behavioral Finance
2014 - The Long-Run Drivers of Stock Returns: Total Payouts and the Real Economy
P. Straehl and R.G. Ibbotso
Financial Analysts Journal, Third Quarter
2017
Letters to the Editor Author Response to Robert D. Arnott and Willians S. Bernstein
Finance Analysts Journal, First Quarter
2018 - Real Estate Returns
J. C. Francis and R.G. Ibbotson
Journal of Alternative Investments
Lead article, Fall 2020
The journal also featured the article in a “Practical Applications Report,” 2020.
Books
- Stocks, Bonds, Bills, and Inflation (SBBI®) Yearbooks
R.G. Ibbotson
2022
Popularity: A Bridge between Classical and Behavioral Finance
R.G. Ibbotson, T. Idzorek, P. D. Kaplan, and J. X. Xiong
2018 - Lifetime Financial Advice: Human Capital, Asset Allocation, and Insurance
R. G. Ibbotson, M. A. Milevsky, P. Chen and K. X. Zhu
2007
Working Papers
- The Popularity Asset Pricing Model
T. M. Idzorek, P. D. Kaplan, R. G. Ibbotson
2021 - The End of Darwinism: How Humans are Overriding Evolution
R.G. Ibbotson and S. A. Closs
2022 - Video: The End of Darwinism
- Interview with FTSE Russell (London Stock Exchange Group)
2022
Achievements
- Markowitz Award (Year's Best Article), Journal of Investment Management, 2015
- Graham and Dodd Best Article of Year, Financial Analysts Journal, 2013
- Best Perspectives Article, Financial Analysts Journal, 2011
- Graham and Dodd Scroll Award, 1979, 1982, 1984, 2001, 2004, 2007, 2012, 2013