Robert Arnott on Global Asset Management (Podcast)

Episode Summary

Executive Summary: In this episode of Masters in Business, Barry Ritholtz interviews Rob Arnott, founder of Research Affiliates, about fundamental indexing, smart beta, and market delusions. Arnott explains how cap-weighting overweights overvalued stocks and why fundamental indexing (weighting by sales, profits, etc.) adds 1.5-2.5% annual excess return through rebalancing alpha. He discusses big market delusions using electric vehicles as an example, arguing the collective EV sector is overvalued. Arnott also addresses value investing's recent underperformance, attributing it to valuation compression rather than fundamental deterioration, and warns against Bitcoin and ESG as investment themes. The conversation covers index additions/deletions, inflation, and modern monetary theory.

Main Topics: Fundamental Indexing and Smart Beta (Priority: 5/5): Arnott explains the concept of fundamental indexing, which weights companies by economic footprint (sales, profits, book value) rather than market cap. This breaks the link with price and generates excess returns through rebalancing alpha. He also clarifies the origin of 'smart beta' and criticizes its overuse. Big Market Delusions: Electric Vehicles (Priority: 5/5): Arnott defines big market delusion as when all firms in an evolving industry rise together despite being competitors. He uses electric vehicles as a case study, noting that Tesla and other EV specialists are collectively valued at 80% of all other automakers while producing far fewer vehicles. He argues the sector is overvalued. Value Investing and Its Recent Underperformance (Priority: 4/5): Arnott argues that value is not dead; its underperformance is largely due to valuation compression (value becoming cheaper relative to growth) rather than fundamental deterioration. He shows that using price-to-book with intangibles or price-to-sales gives a different picture, and predicts a strong value recovery. Bitcoin and Speculative Assets (Priority: 3/5): Arnott discusses Bitcoin as a speculative asset with no cash flows, calling it a bubble likely manipulated. He contrasts it with fiat currency and notes its volatility makes it unsuitable as a store of value or medium of exchange. ESG Investing: Theme vs Factor (Priority: 3/5): Arnott argues ESG is a theme, not a factor, because definitions vary widely and correlations between ESG scores are low. He warns that marketing ESG as a source of outperformance is misleading, as narrowing the opportunity set should degrade performance. Index Additions and Deletions (Priority: 2/5): Arnott highlights that companies added to the S&P 500 tend to underperform, while deleted companies often outperform. He uses Tesla's addition as an example, noting its extreme valuation and the expected negative performance. Inflation, Yields, and Modern Monetary Theory (Priority: 2/5): Arnott discusses the impact of rising yields on growth vs value stocks and critiques modern monetary theory, noting that both political parties embrace deficit spending. He warns that sustained inflation could hurt expensive equities.

Key Arguments: Cap-weighting overweights overvalued stocks and underweights undervalued ones, leading to structural underperformance. Fundamental indexing generates excess returns primarily through rebalancing alpha, not just a value tilt. The electric vehicle sector is a big market delusion: all EV specialists are priced as if they will be winners, but most will fail. Value investing's underperformance is due to valuation compression (value becoming cheaper) rather than fundamental deterioration; using better metrics (e.g., price-to-sales) shows a shorter dry spell. Bitcoin is a speculative bubble with no intrinsic value; it cannot serve as a currency due to volatility and high transaction costs. ESG is a theme, not a factor; its definitions are inconsistent and it should not be expected to outperform. Index additions (like Tesla) historically underperform, while deletions outperform, creating potential alpha opportunities. Rising interest rates may hurt growth stocks and benefit value, but the long-term link is weak. Modern monetary theory is risky; sustained inflation could harm expensive equities.

Data Points: Assets advised by Research Affiliates: $160 billion - Arnott's firm advises on over $160 billion in assets through licensing strategies to partners like PIMCO, Schwab, Invesco. Excess return of fundamental indexing: 1.5% to 2.5% per year - Historical backtest of weighting by sales, book value, etc. vs cap-weighted indexing over 30+ years. Tesla's price-to-sales ratio at peak: 34 times - Tesla was the second cheapest among eight EV specialists; others ranged from 20x to 10,000x sales. Value underperformance vs growth (13 years): 59 percentage points - Using price-to-book, value underperformed growth by 59% over 13 years, but over 100% of that was due to valuation compression. Expected value outperformance after drawdown: 100 percentage points over 2 years - Based on historical relationship: when value underperforms by >30%, it subsequently outperforms by 40-50% on average; extrapolating to current drawdown suggests >100%. Intangibles as % of tangible book value: 100% - Intangibles have grown from 30% of tangible book 50 years ago to 100% now, meaning book value would double if intangibles were included. Tesla's expected first-year performance after S&P addition: Negative (larger than historic norms) - Historically, additions to S&P 500 underperform by ~2% (7% if in top 100); Tesla was top 10, so expected larger underperformance. EV specialists' total valuation vs traditional automakers: 80% - EV specialists are valued at about 80% of all other vehicle makers combined, yet produce a fraction of vehicles.

Pivotal Quotes: "If you weight companies in proportion to their price, then any company that's above its eventual fair value and destined to underperform, will have a current weight that's too high. And any company that's cheap and destined to outperform will have a current weight in the portfolio that's too low." — Rob Arnott: Explaining the Achilles' heel of cap-weighted indexing. "The point of big market delusion wasn't that Tesla is a bubble poised to crash. ... The point of big market delusion is if you look at the electric vehicle industry in aggregate, it's worth about 80% as much as all other vehicle makers combined. And oh, by the way, over half of all electric vehicles are made by those other existing players." — Rob Arnott: Clarifying the concept of big market delusion using EVs. "If you've got a stock that has fallen by 50 or 60 percent, but its PE ratio has fallen by 60 or 70 percent, do you look at that and say, get me out of here, I can't stand the pain? Or do you look at that and say, hmm, I can't believe it's this cheap. Let me buy it." — Rob Arnott: On value investing and the opportunity in cheap stocks.

Implications: Investors should consider fundamental indexing to avoid cap-weighting pitfalls. Be cautious of sector bubbles like EVs and speculative assets like Bitcoin. Value may be poised for a strong recovery. ESG should be viewed as a values alignment tool, not a performance enhancer. Index additions/deletions offer potential alpha. Rising yields and inflation could shift market leadership.