May 23, 2024 Investing For Your Future Episode 306 – Wei Dai: Fighting for Every Basis Point Designing a robust portfolio requires considerable expertise, data, and experience. And while there are plenty of published articles that can guide how you build your portfolio, they are not investment solutions by themselves. Wei Dai is the Head of Investment Research and Vice President at Dimensional Fund Advisors, and she joins us today for a comprehensive and informative conversation on portfolio design for higher returns. Her background includes a Doctor of Philosophy degree in Statistics, Operations research, and Financial Engineering from Princeton. She has also earned a bachelor’s degree in mathematics and applied mathematics from Zhejiang University. Her work has been published in multiple journals, including The Financial Analysts Journal. She has also collaborated on articles with esteemed figures such as Professor Robert C. Merton and Robert Novy-Marx. In our conversation with Wei, we explore the contents of these articles, key findings from research conducted by Dimensional Fund Advisors, and how they are implementing this knowledge in their portfolios. We discuss the fundamental aspects of portfolio design, like expected return, risk, and costs, with Wei providing a detailed breakdown of each subject. There’s a lot to be learned from today’s conversation, and while things get pretty technical, you are in very capable hands! Tune in for a fascinating dive into the latest research on portfolio design and much more. Key Points From This Episode: (0:03:37) The main risk premiums that Dimensional Fund Advisors target in their portfolios. (0:05:42) How long-term drivers of returns vary across different regions: an overview of the tests and outcomes they’ve seen at Dimensional Fund Advisors. (0:07:15) Unpacking whether the value premium differs from the profitability premium across regions; why it makes sense to be globally diversified. (0:08:57) Typical approaches to a multi-premium strategy in a portfolio: a rundown of the three approaches they take at Dimensional and the trade-offs between each. (0:13:44) How they evaluate portfolios at Dimenstional: the benefits of taking a holistic, integrated approach, and instances where that doesn’t make sense. (0:17:24) Weighting schemes: Dimensional’s approach to assigning individual security weights to achieve the desired level of exposure and how investments factor into weights. (0:26:46) Advice on how investors should decide whether to currency hedge their foreign asset exposures, and insights on how to approach currency hedging. (0:30:42) Premium timing: Why timing exposure to premiums is so tempting; parameters that must be defined to implement timing strategies; and which strategies worked in their research. (0:39:21) Valuation ratios: why it theoretically makes sense that they would be related to differences in expected returns and why they aren’t useful in timing premiums. (0:42:11) An overview of the main implications for pursuing premiums that arise from Dimensional’s research. (0:44:10) Diversification and how to improve your odds of capturing return premiums. (0:46:38) The tradeoff between concentration and expected returns, and defining the optimal balance. (0:49:06) What investors should look for when choosing a systematic investment manager, why not all systematic strategies are created equal, and Dimemsional’s approach. (0:52:52) The downsides of performance fees, specifically for systematic managers and what it was like writing a paper with Robert Merton. (0:57:41) How short-term reversals differ from momentum, ways that reversals are related to liquidity, and how reversals vary across different stocks. (01:03:12) The ways that Dimensional is implementing this knowledge in their portfolios; how their ideas go from research to publication to implementation. (01:08:18) What sets Dimensional apart, and the value that they add, despite their research being available online. Participate in our Community Discussion about this Episode: https://community.rationalreminder.ca/t/episode-306-wei-dai-fighting-for-every-basis-point-discussion-thread/30012 Papers From Today’s Episode: Assessing the Relative Magnitude of Premiums — https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3981766 Pursuing Multiple Premiums: Combination vs. Integration — https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3793594 Weighting for the Right One: Weighting Scheme Design for Systematic Equity Portfolios — https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4016481 To Hedge or Not to Hedge: A Framework for Currency Hedging Decisions in Global Equity & Fixed Income Portfolios — https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3703333 Another Look at Timing the Equity Premiums — https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4586684 Premium Timing with Valuation Ratios How Diversification Impacts Investment Outcomes: A Case Study on Global Large Caps How Diversification Impacts the Reliability of Outcomes — https://carlsoncap.com/wp-content/uploads/DFA_-How-Diversification-Impacts-the-Reliability-of-Outcomes.pdf On the Valuation of Performance Fees and Their Impact on Asset Managers’ Incentives — https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3686987 Reversals and the returns to liquidity provision — https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4339591 Links From Today’s Episode: Meet with PWL Capital: https://calendly.com/d/3vm-t2j-h3p Rational Reminder on iTunes — https://itunes.apple.com/ca/podcast/the-rational-reminder-podcast/id1426530582 Rational Reminder Website — https://rationalreminder.ca/ Rational Reminder on Instagram — https://www.instagram.com/rationalreminder/ Rational Reminder on X — https://twitter.com/RationalRemind Rational Reminder on YouTube — https://www.youtube.com/channel/ Rational Reminder Email — info@rationalreminder.ca Benjamin Felix — https://www.pwlcapital.com/author/benjamin-felix/ Benjamin on X — https://twitter.com/benjaminwfelix Benjamin on LinkedIn — https://www.linkedin.com/in/benjaminwfelix/ Cameron Passmore — https://www.pwlcapital.com/profile/cameron-passmore/ Cameron on X — https://twitter.com/CameronPassmore Cameron on LinkedIn — https://www.linkedin.com/in/cameronpassmore/ Wei Dai on Linkedin — https://www.linkedin.com/in/wei-dai-64a3071a/ Wei Dai’s Academic Papers — https://papers.ssrn.com/sol3/cf_dev/AbsByAuth.cfm?per_id=2888456 Dimensional Fund Advisors — https://www.dimensional.com/ Share: Facebook Twitter LinkedIn Email CIRO Advisor Report
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