Episode 295 - Home Country Bias, Seg Funds, and Todd Rogers on Writing for Busy Readers

Episode Summary

Executive Summary: This episode centered on three themes: why some home country bias can be rational despite CAPM’s global market-portfolio ideal, why segregated funds in Canada are usually expensive and oversold despite a few real estate/probate benefits, and how behavioral science can make writing more effective for busy readers. The hosts also revisited Vanessa Bohns’ work on influence and previewed upcoming podcast content and community updates.

Main Topics: Home country bias in equity portfolios (Priority: 5/5): Benjamin Felix argued that while full home bias is irrational, a modest tilt toward domestic stocks can be justified by taxes, fees, local-consumption hedging, geopolitical risk, and empirical evidence suggesting some domestic overweight may be optimal. CAPM vs. real-world portfolio constraints (Priority: 5/5): The discussion contrasted market-cap weighting as the theoretical optimum with real-world frictions CAPM omits, including taxes, transaction costs, foreign investor treatment in crises, and local spending needs. Empirical evidence on optimal domestic allocation (Priority: 4/5): The hosts reviewed studies suggesting a domestic allocation around 30%-35% may be near-optimal for some developed-market investors, while emphasizing that the result is weak, sample-dependent, and not a universal rule. Segregated funds (SEG funds) in Canada (Priority: 5/5): Mark McGrath explained how SEG funds combine mutual funds with insurance guarantees, then argued that most of their advertised benefits are fringe use cases outweighed by high fees and product complexity. Effective writing for busy readers (Priority: 5/5): Todd Rogers described the science of making writing easier to read and act on, emphasizing that readers are busy, skim by default, and respond best to concise, well-structured, action-oriented communication. Behavioral influence and social cues (Priority: 3/5): The recap of Vanessa Bohns highlighted how people underestimate their influence on others, and how subtle behavioral cues and verbal cues can strongly shape decisions and perceptions. Podcast/community updates and future episodes (Priority: 2/5): The show closed with announcements about webinars, reading challenges, community discussion milestones, merchandise interest, and upcoming guests and episodes.

Key Arguments: Home country bias is extreme in practice, but a modest domestic tilt can be rational because CAPM ignores taxes, fees, and country-specific consumption risks. For Canadian investors, domestic stocks are often cheaper to own and more tax-efficient than foreign dividend-paying stocks, which supports some home bias. International diversification still matters because domestic concentration at the extreme is clearly harmful. Historical crises show that foreign investors can face capital controls, sanctions, market closures, or expropriation, which is a real risk not captured by basic models. Empirical studies cited by Ben suggest domestic allocations around 30%-35% can minimize risk or maximize utility in some developed-market samples, though results are not robust enough to be prescriptive. Small-country stock markets do not necessarily underperform; in some historical samples, smaller countries had higher realized returns than larger ones. SEG fund maturity/death guarantees are usually too weak to matter for well-diversified investors, especially given long horizons and the products’ high fees. The main genuine SEG fund benefits are probate bypass, some privacy, and limited creditor protection, but these are niche and often better solved through other estate-planning tools. SEG fund sales are distorted by insurance-only advisors who may overuse the product because it is their only available tool. Effective writing should be judged by whether readers understand and act, not by whether it is stylistically elegant. Busy readers satisfice: they scan, skim, and often do not read everything, so shorter, clearer, and better-structured communication performs better. Formatting, including bolding and hyperlinks, should be used sparingly because it can help readers find key information but also invites them to ignore the rest.

Data Points: Canada’s share of global market cap: ~3% - Used as the theoretical market-cap weight a Canadian investor would hold under CAPM. Typical Canadian home-country allocation in portfolios: ~50% - Illustrates the scale of Canadian home country bias versus market cap weight. Canadian equity ETF fee level: lower than foreign developed/emerging markets - Domestic ownership in Canada is cheaper than many foreign allocations, especially international and emerging markets. SEG fund market size in Canada: $130 billion - 2021 figure cited for segregated funds under management. Total mutual funds and ETFs in Canada: just over $2 trillion - Used to estimate SEG funds as a meaningful but minority share of the Canadian investment universe. SEG fund fee, 75% guarantee: 2.92% average - Morningstar-based average fee for A-class segregated funds with a 75% guarantee. SEG fund fee, 100% guarantee: 3.27% average - Morningstar-based average fee for A-class segregated funds with a 100% guarantee. Average balanced mutual fund fee in Canada: 2.3% - Used as a comparison showing SEG funds are materially more expensive. Insurance fee inside SEG funds: 0.25%-0.5% - Additional fee layered on top of the management fee. Typical domestic allocation found in lifecycle study: 35% - Scott Cederburg et al. found this domestic allocation was optimal in a large developed-market sample from 1890-2019. Vanguard minimum-variance Canadian allocation: 30% - Vanguard paper found least variance for Canadian investors at roughly this domestic allocation over 1999-2023. Ben’s DMS-based analysis: ~30%-40% - His Sharpe-ratio analysis of Canadian-dollar real returns suggested this range performed best. Canadian index historical holdings: more than 16 holdings - Used to counter the idea that small-country markets necessarily lack enough companies to be investable. Alternative U.S. RSP foreign-content cap (historical): 16%, then 18%, then 20% - Cameron referenced prior Canadian retirement account foreign-content limits in a discussion of past portfolio construction. Focus fund example: 30 cents on the dollar recovered to 100 cents on the dollar - Illustrated how a segregated-fund guarantee could pay off in an extreme crash scenario, such as a NASDAQ 100-style collapse. Assuris guarantee limit: $100,000 per SEG fund or 90% of guarantee value, whichever is higher - Insurance protection if the SEG fund issuer fails. Probated asset fee examples: ~1.4%-1.5% - Approximate probate fees mentioned for BC and Ontario. Rational Reminder reading challenge: 105 active readers; 376 books - Community update during the after-show. Upcoming webinar date: March 8 at noon ET - Webinar on women’s wealth and investing basics for women.

Pivotal Quotes: "home country bias is the idea of overweighting the stocks of your home country relative to their market cap weights" — Benjamin Felix: Definition of the episode’s main investing topic. "some modest home country bias, I think, is theoretically, practically, and empirically justified or useful" — Benjamin Felix: Core conclusion of the home-country-bias segment. "less is more" — Todd Rogers: One of the six principles of effective writing for busy readers.

Implications: Listeners should view home-country tilts as a tradeoff, not a mistake by default; be skeptical of expensive SEG funds sold on fringe benefits; and remember that concise, structured communication materially improves engagement and action.