The Case For Global Investing | #201

Episode Summary

Executive Summary: The episode makes a forceful case for global diversification, arguing that investors over-allocate to home markets and miss the benefits of broader opportunity sets, lower volatility, and valuation discipline. Using historical research from Credit Suisse, Vanguard, Morningstar, Capital Group, Bridgewater, and Research Affiliates, it shows how countries, sectors, and even entire markets can suffer long stagnations or collapse, making global breadth and rebalancing essential.

Main Topics: Historical evidence for global diversification (Priority: 5/5): The host summarizes long-run data showing that countries, asset classes, and sectors can experience extreme booms, busts, and even total losses, so relying on one market's history is misleading. Home-country bias and concentration risk (Priority: 5/5): The episode argues that investors are heavily overweight their own country relative to global market cap, creating unnecessary concentration in markets that may be expensive or narrowly diversified. Valuations and expected returns (Priority: 5/5): The discussion emphasizes that starting valuations matter greatly for long-term returns, and that expensive markets can remain expensive in the short run while still implying lower future returns. Revenue exposure vs. domicile (Priority: 4/5): Morningstar's framework is used to show that company headquarters often say little about where earnings come from, making country labels less informative in a globalized economy. Global market cap as a starting allocation (Priority: 4/5): Vanguard's findings are used to support using global capitalization weights as a rational baseline for stock and bond allocations before adding any tilts. Equal-weight and resilient portfolio construction (Priority: 4/5): Bridgewater's material is cited to show that geographically diversified or equal-weight approaches can reduce drawdowns and preserve wealth across crises. Factor and regional tilts as optional overlays (Priority: 3/5): The episode closes by suggesting that after global diversification, investors may add value tilts or other systematic biases, but only with awareness of the risks and tradeoffs.

Key Arguments: Global diversification reduces volatility because country returns are imperfectly correlated and no single market dominates forever. Home-country bias is widespread and often leaves investors dangerously concentrated in one market relative to its share of global equity value. The historical record includes markets that went to zero or suffered multi-decade losses, proving that extrapolating recent local success is hazardous. Valuation is one of the strongest long-term predictors of returns, especially when comparing countries and market segments. Company headquarters are a poor proxy for economic exposure; revenue geography is often far more relevant than listing venue. A global market-cap-weighted portfolio is a sensible default starting point before making any active tilts. Rebalancing into laggards can provide a structural advantage by systematically buying cheaper regions and selling expensive ones.

Data Points: Long-run real equity return: ~5% per year - Global stocks, based on long-run historical data discussed from the Credit Suisse Yearbook Long-run real bond return: ~2% per year - Global bonds, used as part of the host's '5-2-1' rule of thumb Long-run real bill return: ~1% per year - Global bills, used as part of the host's '5-2-1' rule of thumb U.S. equity market share in 1900: 15% - Share of global stock market cap at the start of the 20th century U.K. equity market share in 1900: ~25% - Largest global market in 1900 before U.S. dominance expanded U.S. equity market share today: 55% - Approximate global equity market cap share cited in the episode Japan equity market share at start of 1990s: 41% - Japan was the largest market in the world before its bubble burst Japan equity market share by 2019: 9% - Share fell sharply after decades of underperformance Japan peak CAPE ratio in 1989: ~100 - Example of extreme valuation during the Japanese bubble Japan real stock market decline in World War II: 96% loss - Illustrates how geopolitical events can devastate investors Emerging markets share of world stock market cap: ~12% - Despite large GDP and population shares, EM remains a small fraction of global cap U.S. equity return history cited: 9.4% per year - Historical nominal return for U.S. equities in the Credit Suisse discussion U.S. bond return history cited: 4.9% per year - Historical nominal return for U.S. bonds U.S. bill return history cited: 3.7% per year - Historical nominal return for U.S. bills U.S. inflation history cited: 2.9% per year - Historical inflation rate used in the comparison Non-U.S. high-dividend stocks count: 6x more than U.S. - Capital Group example showing many more higher-yielding opportunities outside the U.S. U.S. stocks yielding over 3%: 158 - August 31, 2019 snapshot from Capital Group Emerging market stocks yielding over 3%: 518 - August 31, 2019 snapshot from Capital Group Developed ex-U.S. stocks yielding over 3%: 498 - August 31, 2019 snapshot from Capital Group Typical U.S. investor home equity allocation: 75-80% U.S. - Described as far above the global market-cap starting point Typical Canadian investor home equity allocation: ~60% Canadian equities - Used as an example of severe home-country bias Australia investor home allocation: 67% - Vanguard chart cited in the closing summary Japan investor home allocation: 55% - Vanguard chart cited in the closing summary U.K. investor home allocation: 26% - Vanguard chart cited in the closing summary Global market-cap starting point suggested: ~50% U.S. / 50% ex-U.S. - Host's recommended baseline for broad diversification Top 50 stocks outside the U.S.: 75% on average - Capital Group chart showing top-performing stocks are frequently non-U.S. U.S. revenue share of S&P 500: 62% - Morningstar example of home-country revenue concentration Australia ASX 200 home-country revenue share: 58% - Used to compare domestic revenue concentration France CAC home-country revenue share: 17% - Shows very low domestic revenue dependence MSCI ACWI ex-U.S. revenue share from U.S.: 17% - Shows non-U.S. indexes still have meaningful U.S. revenue exposure Best-performing non-U.S. vs U.S. rolling outcome: ~50/50 - Host claims U.S. versus ex-U.S. leadership is historically close to a coin flip over long periods Correlation of starting valuation and future returns: ~75% - Research Affiliates finding cited for long-term return forecasting

Pivotal Quotes: "Put in the context of the 119-year history in the yearbook and an equity risk premium over the period of just over 4%, it underlines how rewarding and how anomalous the most recent past has been for equity investors." — Quoted research (Credit Suisse Yearbook / Dimson, Marsh, Staunton): Used to argue that recent equity returns are unusually strong relative to long history "If you feel like international equities in your portfolio aren't holding up their end of the bargain, then you're not alone." — Capital Group: Introduces the common investor concern that international stocks have lagged U.S. stocks "Geographic diversification has big upside and little downside for investors." — Bridgewater: Summarizes the case for spreading capital across countries to reduce catastrophic risk

Implications: Listeners should treat global diversification as a default, not an optional add-on. The episode argues for broader allocation, valuation awareness, and systematic rebalancing to reduce the chance of permanent capital loss and improve long-term risk-adjusted returns.