Rob Arnott & Campbell Harvey on Why They Believe Inflation Hasn’t Peaked | #438

Episode Summary

Executive Summary: Rob Arnott and Cam Harvey argue that the Fed’s blunt rate hikes are likely pushing the economy into recession while inflation has not yet peaked, largely because key CPI components lag reality. They favor value, real assets, EM, and inflation-resilient strategies, and close by discussing Harvey’s new book on DeFi and tokenization.

Main Topics: Yield curve inversions and recession signals (Priority: 5/5): Cam Harvey explains why the 10-year/3-month spread is his preferred recession indicator and why prior inversions have consistently preceded recessions since his dissertation. Rob argues inversion is not just predictive but caused by the Fed’s policy tightening. Fed policy, inflation, and recession risk (Priority: 5/5): Both guests criticize the Fed’s reliance on a single blunt tool—raising short-term rates—to fight inflation created by supply-side shocks, arguing this risks unnecessarily causing recession and social harm. Inflation measurement and why CPI may understate pressures (Priority: 5/5): They explain how owner-equivalent rent and rent measures lag home price changes, implying reported inflation is behind reality. They argue inflation has likely not peaked and could remain elevated into year-end. Valuations, real rates, and asset allocation (Priority: 4/5): Rob links higher inflation and real rates to lower equity valuations, especially for growth stocks, and argues current conditions favor value stocks, select emerging markets, commodities, and other real assets. Portfolio construction in inflationary regimes (Priority: 4/5): Cam discusses inflation-sensitive sector rotation, the role of real assets and factor strategies, and cautions that cheap markets are not automatically bargains—especially in higher-risk emerging markets. Research process and avoiding data mining (Priority: 3/5): Rob and Cam discuss Research Affiliates’ culture of scientific method, falsifiability, and skepticism toward overfitted models, emphasizing humility and out-of-sample discipline. DeFi, NFTs, and the future of finance (Priority: 4/5): Cam Harvey outlines his new book on decentralized finance, tokenization, Web3, and NFTs, arguing they represent competition to traditional banks and central banks and may reshape payments, identity, and ownership.

Key Arguments: The 10-year minus 3-month Treasury spread is a stronger recession signal than the widely cited 10-year minus 2-year spread, and it has had no false signals in Harvey’s framework since 1986. Yield curve inversion may not merely predict recessions; it may reflect the Fed deliberately tightening short rates to crush demand and thereby cause recession. The Fed’s main policy tool is too blunt because current inflation is driven in part by supply shocks, labor supply constraints, war, and supply-chain disruptions, not only excess demand. CPI understates current inflation because owner-equivalent rent and rent inflation are lagging indicators; much of the housing inflation has not yet fully entered the index. Inflation is unlikely to fall quickly back to 3% because known upcoming monthly comparisons and housing catch-up effects will keep year-over-year readings elevated. High and unstable inflation tends to compress equity valuations, especially growth stocks with long-duration cash flows, while value stocks are more resilient. Real assets, commodities, selective emerging markets, and value equities are favored in inflationary environments, though EM opportunities must be assessed case by case. Research should start from falsifiable hypotheses rather than mining data for patterns after the fact; overfitting creates fragile strategies. DeFi and tokenization may eventually compete with banks and central banks, and may transform payments, ownership, and identity through wallets and tokens.

Data Points: 10-year Treasury yield: 2.78% - Harvey cites the 10-year rate while discussing the yield curve versus the 3-month bill. 3-month Treasury bill: 2.57% - Harvey cites the short rate used in his preferred yield curve measure. Duke CFO survey recession expectation: 70% - Harvey says 70% of respondents expected recession in 2020 or early 2021 around the 2019 inversion period. CPI peak (current cycle): 9.1% - Mentioned as the high inflation print discussed during the episode. Inflation in first half of year: 6.3% - Rob argues this implies an annualized pace above 13% if extrapolated. Fed funds rate versus inflation: sub-3% versus ~9% - Used as an illustration of how unusual policy is relative to inflation. Historical inflation peak in 1980: 14.7% - Rob references this as the prior U.S. inflation peak under the old CPI methodology. 1981 Fed funds rate: 20.5% - Rob uses this to compare the Volcker era with current policy constraints. U.S. debt-to-GDP in early 1980s: 34% - Harvey contrasts this with today’s much higher leverage, arguing the Fed is more constrained now. U.S. debt-to-GDP today: over 100% - Harvey argues high debt magnifies the fiscal cost of higher rates. Long Beach container stacking ordinance: 2 containers vs. 4-5 containers - Harvey’s grassroots supply-chain example; the city changed the limit to increase port efficiency. Home prices (Case-Shiller): up 37% - Rob contrasts this with owner-equivalent rent’s much slower rise, arguing CPI lags housing inflation. Owner-equivalent rent increase: 7% over two years - Rob says this understated measure lags actual home-price inflation. Miami rents: up 41% year over year - Harvey cites Miami as an example of extreme rental inflation. Next two non-seasonally adjusted CPI months: 0.2% and 0.3% - Rob says these upcoming comparisons make near-term disinflation unlikely. Expected reported inflation before midterm election under favorable scenario: 8.5% - Harvey models how inflation would still remain high even with 0.25% monthly prints. Expected reported inflation before midterm election under zero-month scenario: 8.0% - Harvey’s scenario analysis shows inflation staying elevated even with flat monthly readings. Inflation : 7%+ effect on Schiller PE / 10-12x valuations - Rob explains that moving far from the inflation/real-rate sweet spot compresses valuation multiples toward historical norms around 10-12x. Short-rate hike risk: 50 bps or 75 bps - Referenced repeatedly as the Fed’s likely tightening increments. AcreTrader minimum investment: $15,000 - Advertiser pitch about passive farmland access. Farmland loss rate: 4.8 acres of cropland per minute - Used in the farmland sponsor message. Research Affiliates paper count / methods: 8 countries tested - Rob notes the inflation/valuation relationship held across eight countries.

Pivotal Quotes: "“I think yield curve inversion is the Fed deliberately crushing demand and causing a recession rather than predicting one.”" — Rob Arnott: Rob’s core thesis on why inversions happen and how policy creates downturns. "“There’s no such thing as stable high inflation. There’s no such thing as stable deflation.”" — Rob Arnott: Rob explains why inflation outside the 1–3% sweet spot tends to hurt valuations and business planning. "“If you use history to improve your back test, if you use a back test to improve the back test, you’re engaged in the worst form of data mining.”" — Rob Arnott: Rob describes Research Affiliates’ skepticism toward overfitting and model tinkering.

Implications: Listeners should expect elevated inflation and policy volatility to persist, making value, real assets, and selective EM more attractive than long-duration growth. The discussion also signals a future where DeFi/tokenization could reshape payments, ownership, and financial intermediation.