Dividend Irrelevance and the Five-Factor Model
In investing, it’s easy to get caught up in the latest headlines and stories about dividend hikes, stock splits, mergers and acquisitions, or a company’s quarterly payout ratio. But decades of financial research suggest that many of the things that make the news don’t necessarily make a difference to your long-term returns.
Two concepts – “dividend irrelevance” (spicy topic – be careful telling that to the wrong person 😊!) and the five-factor model – offer powerful insights for Canadian investors looking to focus on what really matters.
Dividend Irrelevance: What It Really Means
Imagine having $100 in your Corporate bank account and moving $1 of it to your Personal bank account. You now have $1 personally and $99 “corporately” but your total net worth is still $100…until tax time comes and you have to pay taxes on that $1 dividend.
The dividend irrelevance theory, introduced by Nobel laureates Merton Miller and Franco Modigliani, argues that under certain idealized conditions – no taxes, no transaction costs, and perfectly efficient markets – it doesn’t matter whether a company returns cash to shareholders through dividends or share buybacks.
Investors can create their own ‘homemade’ dividends by selling shares if they need cash, or reinvest dividends if they don’t. In theory, the value of the company should be the same regardless of the payout policy.
Of course, in the real world, conditions aren’t perfect. Taxes differ between dividends and capital gains, and behavioural factors matter. For Canadian investors, eligible dividends are taxed more favourably than interest income, but capital gains can still have an advantage because tax is deferred until the asset is sold. This is why portfolio location – choosing whether to hold investments in a TFSA, RRSP, or non-registered account – can matter more than chasing the highest dividend yield.
The practical takeaway: Don’t assume a high dividend yield or fund distribution is automatically better. The “total return” of an investment comes from both price appreciation and income.
Focus on the overall growth of your portfolio after fees and taxes, not just the yield printed on a fact sheet.
The Five-Factor Model: A More Complete View of Returns
While the dividend irrelevance theory deals with how cash is returned to shareholders, the five-factor model – developed by Eugene Fama and Kenneth French – helps explain where long-term investment returns actually come from. This model expands on the traditional three-factor approach (market, size, value) by adding profitability and investment as additional drivers of expected returns.
Here’s a breakdown of the five factors:
- Market – Over the long-term, equity funds have historically offered higher potential returns compared to bond funds or cash over the long term, as compensation for taking on more risk.
- Size – Historically, small market capitalization funds have offered higher potential returns compared to large market cap.
- Value – Companies with low prices relative to their fundamentals (book value, earnings, etc.) have historically outperformed growth companies.
- Profitability – Firms with higher operating profitability have shown stronger expected returns.
- Investment – Historically, companies that invest conservatively (relative to their assets) tend to outperform those that aggressively expand their asset base.
For Canadian investors, these factors can be accessed through broadly diversified, low-cost funds that tilt toward small-cap, value, and high-profitability companies (which is how I typically position some client’s portfolios). But tilting comes with more volatility in the short run, so the decision should be based on your ability to stay invested through inevitable periods when a factor underperforms, so that you ensure you’re holding them if they are recovering / outperforming.
How the Two Concepts Connect
Dividend policy isn’t one of the five factors, which reinforces the idea that dividends themselves aren’t a primary driver of potential returns. Instead, the characteristics of the company – its size, value metrics, profitability, and investment behaviour – are what matter most. A company that pays no dividend could still deliver strong returns if it scores well on these factors, and vice versa.
To be clear – when Fama and French developed their original three-factor model in the early 1990s, it wasn’t because they ignored other possibilities – they tested literally hundreds of potential factors across decades of market data. Many showed promising results over short periods, but most failed to hold up once tested out-of-sample or in different markets (dividend yield being one of these). The same rigorous process was applied before expanding to the five-factor model in 2015, where only the most robust, persistent, and economically sensible factors made the cut. This heavy filtering is why the surviving factors – market, size, value, profitability, and investment – carry more weight in academic and practical portfolio construction than the countless others that have appeared briefly and faded.
The bottom line: Rather than focusing on whether a investment pays a dividend (or has “X% yield”), concentrate on building a globally diversified portfolio that captures these proven sources of return. Use registered accounts strategically to minimize taxes, and resist the temptation to chase yield at the expense of total return and risk management.
Appendix: Academic Perspective
Miller and Modigliani’s (1961) dividend irrelevance theorem is a foundational concept in corporate finance, showing that under perfect capital market assumptions, dividend policy has no effect on firm value. Empirical studies have since documented market imperfections – taxes, transaction costs, information asymmetry – that can make payout policy relevant in practice, though often marginally compared to other return drivers.
Fama and French’s expansion from the three-factor to the five-factor model (2015) incorporated operating profitability and investment intensity, improving explanatory power for cross-sectional stock returns. In Canadian and global equity markets, evidence supports the persistence of size, value, and profitability premiums, though they can be time-varying and subject to long periods of underperformance. For practitioners, integrating factor exposures within a tax-efficient framework remains an evidence-based approach to portfolio construction
Disclosures:
Important information about mutual funds is found in the Fund Facts document. Please read this carefully before investing. Commissions, trailing commissions, management fees and expenses all may be associated with mutual fund investments. Mutual funds are not guaranteed, their values change frequently, and past performance may not be repeated. Unit values and investment returns will fluctuate.
The information provided is based on current laws, regulations and other rules applicable to Canadian residents. It is accurate to the best of our knowledge as of the date of publication. Rules and their interpretation may change, affecting the accuracy of the information. The information provided is general in nature and should not be relied upon as a substitute for advice in any specific situation. For specific situations, advice should be obtained from the appropriate legal, accounting, tax or other professional advisors.
Focus on total return. Ignore the packaging. Let evidence guide you.
And remember: a dividend is just the company mailing you your own money.
