Vol. 23, No. 2, 2025 By Laurence B. Siegel (Reviewed by Mullika Sahrawat) Mark Kritzman, Senior Editor View PDF… Read more
2025
Why Genetic Medicines and Why Now?
Vol. 23, No. 2, 2025 Neil Kumar Transcript of a talk presented at the Spring JOIM Conference honoring Harry M. Markowitz on March 24–26, 2024, at the Rady School of Management, UCSD… Read more
Why Fusion and Why Now?
Vol. 23, No. 2, 2025 Dennis Whyte Transcript of a talk presented at the Spring JOIM Conference honoring Harry M. Markowitz on March 24–26, 2024, at the Rady School of Management, UCSD… Read more
Collaborating with Harry Markowitz: A Remembrance
Vol. 23, No. 2, 2025 Bruce Jacobs Bruce Jacobs recounts his long professional and personal relationship with Harry Markowitz spanning more than 30 years in remarks delivered at the Spring 2024 JOIM Conference at the University of California, San Diego. Bruce and Harry shared similar interests and did complementary work. This led to collaboration, debate… Read more
The Unreasonable Effectiveness of Portfolio Theory in Theory and Practice
Vol. 23, No. 2, 2025 Andrew W. Lo As one of the founding fathers of modern finance, Harry M. Markowitz changed the way financial economists think about financial markets and institutions, and transformed the practice of finance from art to science. To honor his memory, I provide three specific examples of how portfolio theory played… Read more
Markowitz Wealth Management to Pension Plans: Augmenting the Funded Ratio with New Metrics
Vol. 23, No. 2, 2025 Sanjiv Das Transcript of a talk presented at the Spring JOIM Conference honoring Harry M. Markowitz on March 24–26, 2024, at the Rady School of Management, UCSD… Read more
Have Capital Markets Forgotten about Sustainability?
Vol. 23, No. 2, 2025 Robert Engle Transcript of a talk presented at the Spring JOIM Conference honoring Harry M. Markowitz on March 24–26, 2024, at the Rady School of Management, UCSD… Read more
Remarks by Nobel Laureates: Robert Merton, William Sharpe; and Investment Management Practitioners
Vol. 23, No. 2, 2025 Robert Merton, William F. Sharpe, Vineer Bhansali, Kenneth Blay, and Mark Kritzman We were honored to have Nobel Laureates and investment management practitioners share their thoughts on the contributions and recollections of Harry M. Markowitz… Read more
Book Review – The Psychology of Leadership
Vol. 23, No. 1, 2025 by Sébastien Page (Reviewed by Will Kinlaw) Book Review View PDF… Read more
The ESG Conundrum
Vol. 23, No. 1, 2025 by Ye Cai and Seoyoung Kim “Case Studies” presents a case pertinent to contemporary issues and events in investment management. Insightful and provocative questions are posed at the end of each case to challenge the reader. Each case is an invitation to the critical thinking and pragmatic problem solving that… Read more
Fixed Income Index Funds: Demystifying Portfolio Construction and Rebalancing
Vol. 23, No. 1, 2025 by Stephen Laipply, Ananth Madhavan, James Mauro and Nogie Udevbulu Assets in fixed income index mutual funds and exchange-traded funds (ETFs) have grown substantially in recent years. This paper examines fixed income index fund portfolio rebalancing efficiency using empirical evidence from four large fixed income index funds. We show how… Read more
The CAPM, APT, and PAPM
Vol. 23, No. 1, 2025 by Thomas M. Idzorek, Paul D. Kaplan and Roger G. Ibbotson The Popularity Asset Pricing Model (PAPM) generalizes the Capital Asset Pricing Model (CAPM) with popularity as the basis for multiple priced characteristics. The CAPM along with the Arbitrage Pricing Theory (APT) are the dominant textbook asset pricing models. Both… Read more
Can Under-Diversification Explain the Size Effect?
Vol. 23, No. 1, 2025 by Moshe Levy None of the explanations suggested so far for the size anomaly seems to be consistent with the empirical evidence. This paper examines under-diversification as a possible explanation for the size effect. When the portfolio weight of a stock is non-negligible, its variance is priced. As small stocks… Read more
Forecasting and Managing Volatility: An S&P 500 Case Study
Vol. 23, No. 1, 2025 by Wei Dai, Xing Hong, Robert C. Merton and Mathieu Pellerin Using daily and intraday data from 1997 to 2023, we study strategies that stabilize volatility around a target by rebalancing between the S&P 500 and Treasury bills based on a broad set of volatility forecasts. Somewhat counterintuitively, lower forecasting… Read more
Practitioner’s Digest
Vol. 23, No. 1, 2025 Practitioner’s Digest View PDF… Read more