This piece explains why active fund managers are finding it harder to beat the market. Mauboussin argues that as weak players leave, only skilled ones remain, making luck matter more—a 'paradox of skill.' He advises buying stocks with low expectations but solid fundamentals, like Amazon (high gross margins despite high valuation), Ralston Purina (value-creating buybacks), and Berkshire Hathaway (insurance float lets it buy during panic).
Michael Mauboussin (Managing Director and Head of Global Financial Strategy at Credit Suisse) discussed the current state of the active asset management industry, the various stages of the investment process, and the potential advantages of outperforming the market. The core argument is that active
Michael Mauboussin (Managing Director and Global Head of Financial Strategy at Credit Suisse) discusses with Patrick O'Shaughnessy the current state of the active management industry, the stages of the investment process, and the potential advantages of beating the market. Core judgment: Active management faces a "skill paradox"—as weaker players exit and stronger ones remain, the relative skill gap narrows, while the role of luck actually increases, making active management harder rather than easier than in the past.
Mauboussin argues that the social function of active management is to gather information and accurately reflect it in prices, thereby creating market efficiency. However, the more successful active management becomes, the harder it is for it to generate excess returns.
Mauboussin introduces the "Paradox of Skill": When the overall skill level of participants rises, the relative skill gap narrows, and the role of luck actually increases.
Mauboussin elaborates on his core framework, "Expectations Investing": Stock prices reflect expectations for future financial performance, and the investor's task is to find the gap between fundamentals and expectations.
1. Stock prices reflect a set of expectations for future financial performance (this is true for all asset prices).
2. Determine the true fundamental performance through strategic and financial analysis.
3. Find the "mismatch" between the two.
Mauboussin believes capital allocation is one of the most overlooked yet valuable tools in analyzing a company, and he specifically discusses three types of stock buybacks.
1. Market Efficiency Type: The company buys back regularly and mechanically, believing the market is efficient, and over the long term, it "will break even in the shuffle."
2. Intrinsic Value Type: The company truly understands its own value, buys with high conviction when it is cheap, and stops when it is expensive – such as Ralston Purina's CEO Bill Stiritz, whose buyback signals investors could almost follow.
3. Misaligned Incentive Type: Buybacks are conducted to offset option dilution, boost earnings per share, or increase ROE (tied to bonuses), ignoring economic substance.
Mauboussin argues that the sustainable advantage of an active manager comes from a combination of behavioral discipline, analytical skill, and organizational structure, not from a single dimension.
1. Competing with retail investors: When a large influx of retail investors enters the public U.S. market (e.g., the late 1990s), institutions have a significant opportunity.
2. Forced selling: Margin calls, banks reducing risk-weighted assets, spinoffs – the abnormal returns from spinoffs persist, even though the literature has existed for years.
3. Diversity breakdown: When all investors adopt the same decision-making rules and the same time horizon, market efficiency declines – this is a concentrated manifestation of behavioral biases.
Mauboussin believes the industry has invested heavily in "finding an edge" but insufficiently in "how to bet" (portfolio construction), and the Kelly Criterion is an undervalued tool.
1. What is your edge? Is it a large number of small opportunities or a few large ones?
2. What is your goal? Maximize wealth at a certain point in time, or compound wealth continuously?
3. What are your constraints? Drawdown limits, sector limits, leverage limits, trading limits?
| Position | Guest Stance | Key Data |
|---|---|---|
| S&P 500 Index | Neutral (discussed as a benchmark) | Over the past 55 years, roughly 2/3 of value comes from steady state, 1/3 from future growth |
| Amazon | Slightly Positive (as a case study) | Traditional valuation multiples are high, but Novy-Marks' gross margin metric ranks in the top quartile |
| Ralston Purina | Positive (as a model of capital allocation) | CEO Bill Stiritz is a case study in The Outsiders; share buyback signals can be followed |
| Berkshire Hathaway | Positive (as an advantage in capital sourcing) | Insurance float provides continuous capital, deployable during market panics |
| Baupost (Seth Klarman) | Positive (as a model of client management) | "Good clients are those who cash our checks when we send them and write checks when we ask" |
1. "The Skill Paradox" (Mauboussin): In active management, weaker players exit while stronger ones remain, so absolute skill rises but relative gaps shrink, making luck a bigger factor—"it’s not easier, it’s harder."
2. "All investing boils down to buying at low expectations" (Mauboussin): The common denominator of growth and value investing is low expectations. High-expectation growth stocks can still offer opportunities (if expectations are not high enough), but low expectations are a more reliable starting point.
3. "The core of value investing is the combination of contrarian thinking and a calculator" (citing Klarman, endorsed by Mauboussin): Contrarian thinking lets you consider directions opposite to consensus, while a calculator lets you verify whether valuations are reasonable—both are indispensable.
4. "Experience ≠ Expertise" (Mauboussin citing Greg Northcraft): Experience means doing something for a long time; expertise means having a predictable model. In nonlinear, unstable market environments, intuition is highly unreliable.
5. "Analyst-managed funds outperform manager-managed funds" (Mauboussin citing academic research): Within the same fund family, analyst funds that are sector-constrained and purely stock-picking perform better—possibly related to portfolio construction methods.
6. "Three types of buybacks" (Mauboussin): Market-efficiency type (mechanical buybacks), intrinsic-value type (high-conviction buybacks at low prices), and ill-intentioned type (buybacks to boost EPS/ROE). Only the second creates value.
7. "Dividends and buybacks are mathematically equivalent but psychologically completely different" (Mauboussin): Management treats dividends as quasi-contracts (sacrosanct) and buybacks as residual cash disposal. Investors can generate more tax-efficient cash flow through "homemade dividends" (selling a small number of shares).
8. "Portfolio construction is the neglected way to bet" (Mauboussin): The industry invests heavily in "finding an edge" but insufficiently in "how to bet." The Kelly criterion (bet size proportional to information advantage) is an underappreciated tool, but pure Kelly leads to severe drawdowns; fractional Kelly can be used.