Dimensional at 40: Timeless Lessons from My Decades in Finance
Table of Contents
01) Gambling Is Not Investing, and Investing Is Not Gambling
Gambling is a short-term bet. If you treat the market like a casino, and you’re picking stocks or timing the market, you need to be right twice—in an aim to buy low and sell high. Fama showed that
it’s unlikely for any individual to be able to pick the right stock at the right time—especially more than once.2 Investing, on the other hand, is long term. While all investments have risk, there are things you can do as a long-term investor to manage those risks and be prepared. As my dear friend and Nobel laureate Merton Miller said, “Diversification is your buddy.” Investing, to me, is buying a little bit of almost every company and holding them for a long time. The only bet you’re making is on human ingenuity to find productive solutions to the world’s problems.
02) Embrace Uncertainty
Over the past 100 years, the US stock market, as measured by the S&P 500, has returned a little over 10% on average per year but hardly ever close to 10% in any given year. The same is true of dozens of other markets around the world that have delivered strong long-term average returns. Stock market behavior is uncertain, just like most things in our lives. None of us can make uncertainty disappear, but dealing thoughtfully with uncertainty can make a huge difference in our investment returns, and even more importantly, our quality of life.
The Uncommon Average
The way to deal with uncertainty is to prepare for it. Without uncertainty, there would be no opportunity to do better than a relatively riskless return like that from a money market fund. We always emphasize that risk and expected returns are related, which means you can’t have more of one without more of the other. Make the best-informed choices you can, then monitor performance and make portfolio adjustments as necessary. Come up with a plan to get back on track in case things don’t go as expected. And remember, you can’t control markets, so don’t blame yourself for results outside your control—try to relax knowing you’ve made the best-informed choices you can. A trusted financial advisor, a fiduciary who puts your interests first, can help you cultivate this sort of discipline and long-term perspective.
Dealing with Uncertainty
03) Implementation Is the Art of Financial Science
I was compelled to approach investing differently by the research Fama and other leading academics were doing to better understand markets and returns. There’s general agreement on what financial science tells us, yet so much can be gained or lost in application. Just as some sports teams can consistently execute their strategies better than others, investment professionals can consistently add value by dealing better with market mechanics.
Bob Merton, our colleague, and Myron Scholes, an Independent Director of the US mutual funds, were recognized as Nobel laureates for their options-pricing model, which shows that flexibility has value. Great implementation requires paying attention to detail, applying judgment, and being flexible. That’s what we’ve built our firm to do. We start with a fairly simple notion about markets and expected returns, and the real value comes from how we implement those ideas every day. It’s important to us that clients understand we’re advocating for them along every step in the investment process. What do we mean by “advocating?” That when it comes to implementation, the little things add up. We fight for every basis point, never forgetting that we’re investing money our clients have worked lifetimes to save.
04) Tune Out the Noise
If an investment sounds too good to be true, it probably is. When people ask me if I’m investing in the latest shiny investment idea, I tell them, “If I don’t understand something, I don’t invest in it.” That’s because I’ve seen a lot of fads come and go.
TV pundits handing out stock tips? Friends letting friends in on their next big investment? I see these more as entertainment than information. Stress is induced when people think that they can time markets or find the next winning stock, or that they can hire people who can. There is no compelling evidence that professional stock pickers can consistently beat the markets.3 Even after one outperforms, it’s difficult to determine whether a manager was skillful or lucky.
The good news is you can still do well without having to find what markets might have missed. While markets are unpredictable and may even seem chaotic at times, they have an underlying order. Buyers and sellers come together and trade, which is the activity that sets market prices. Unless each side agrees to a price, they don’t trade. New information and expectations about returns are quickly incorporated. Consistently finding big winners is difficult, but everybody can have access to the expected returns that a diversified, low-cost portfolio can generate.
Tuning Out the Noise
05) Have a Philosophy You Can Stick With
It can be difficult to stay the investment course during periods of extreme market volatility. At the end of March 2020, the S&P 500 was down nearly 20% for the year.4 Record amounts of money exited from equity mutual funds and went into money market accounts. Those investors who stayed out of the equity market missed out on the subsequent 56% gain in the S&P 500 over the next 12 months. We will all remember 2020 for the rest of our lives. It serves as an example of how important it is to maintain discipline and stick to your plan.
By learning to embrace uncertainty, you can also focus more on controlling what you can control. You can make an impact on how much you earn, how much you spend, how much you save, and how much risk you take. This is where a professional you trust can really help. Discipline applied over a lifetime can have a powerful impact.
I’m so proud of what everyone at the firm has worked together to achieve, not only building a successful business but also providing investment solutions to families and institutions around the world. That continues to be what guides us—bettering the investment and client experience and sharing all we’ve learned with those we serve. It’s what we have done for the last 40 years and what we’ll continue to do every year going forward.
- 1As of December 31, 2020, Dimensional had $601B in firmwide assets under management, USD (in billions)
- 2Fama, Eugene F., and Kenneth R. French. 2010. “Luck versus Skill in the Cross-Section of Mutual Fund Returns.” Journal of Finance 65(5): 1915–1947.
- 3For details, see Dimensional Fund Advisors’ Mutual Fund Landscape report.
- 4S&P data © 2021 S&P Dow Jones Indices LLC, a division of S&P Global. All rights reserved.
Indices are not available for direct investment. Index returns are not representative of actual portfolios and do not reflect costs and fees associated with an actual investment. Decrease of 19.6% was from January 1, 2020–March 31, 2020. Increase of 56.35% was from March 31, 2020–March 31, 2021.
Past performance is no guarantee of future results. Actual returns may be lower. Investing risks include loss of principal and fluctuating value. There is no guarantee an investment strategy will be successful. Indices are not available for direct investment. Index returns are not representative of actual portfolios and do not reflect costs and fees associated with an actual investment.
Facebook, Amazon, Apple, Netflix, and Google are often referred to as the FAANG stocks.
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Eugene Fama is a member of the Board of Directors for and provides consulting services to Dimensional Fund Advisors LP.
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Robert Merton is a consultant to Dimensional Fund Advisors LP.
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Ted Fischer is a Fee-Only Certified Financial Planner® & fiduciary, and the founder of Fischer Investment Strategies.
Drawing from more than 25 years of experience in the financial services industry, Ted's expertise includes retirement planning, investment analysis, tax planning, estate planning, and insurance.
Ted has an extensive academic background. He received his Certified Financial Planning (CFP®) designation from UCLA in 2011. He became a Qualified Plan Financial Consultant (QPFC®) and an Accredited Investment Fiduciary (AIF®). Ted has a Bachelor of Science in Marketing, with a minor in Finance, from San Diego State University.