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Brett Arends's ROI

April 10, 2021, 1:29 p.m. EDT

A brainteaser (or two) that could change your retirement portfolio

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By Brett Arends

OK, so here’s a quick brain teaser for all of us who have a 401(k) or other retirement portfolio.

As we all know, the U.S. funds in our portfolios have been beating the pants off the international funds, and have been for months, years and more than a decade. In the past five years, for example, U.S. stock index funds such as the SPDR S&P 500 ETF /zigman2/quotes/209901640/composite SPY -1.06% and the Vanguard Total Stock Market Index Fund /zigman2/quotes/202876707/realtime VTSMX -1.06% have generated about twice the total return of internationally-oriented equivalents, such as the iShares MSCI EAFE (Europe, Australasia and Far East) ETF /zigman2/quotes/207663730/composite EFA -0.93% or the Vanguard Total International Stock Index fund /zigman2/quotes/210096929/realtime VGTSX -1.10% .

Go back to the start of 2010 and the U.S. funds beat their international counterparts by four to one.

Data from MSCI, the stock market data company, show that this performance gap goes back decades.

So, here’s the question.


That’s it. Why have U.S. stock funds done so much better than international stock funds?

That’s the challenge addressed by hedge fund honcho Cliff Asness in a remarkable new analysis with the brilliant title “The Long Run Is Lying To You”. And what he finds helps upturn much of what passes for conventional wisdom, on Wall Street and Main Street, about our retirement accounts.

If you think U.S. funds have done so much better because U.S.-based companies have produced more and faster-growing earnings per share than their international counterparts, think again, reports Asness.

If you think that U.S. companies have generated higher and faster growing dividends, that’s a bust too, reports Asness.

Actually, using data going back to 1980, he shows that the earnings and dividends of U.S. and international stocks (and funds) have been broadly in line. The superior underlying performance of U.S. companies, such as it is, accounts for a small fraction of their better returns.

The real explanation? Price.

From 1980 to 2020, “We see a giant repricing with the USA getting relatively much more expensive” compared with the rest of the world, writes Asness. Investors are simply willing to pay much more for each dollar of U.S. earnings versus international company earnings.

He illustrates this using one of the stock market’s favorite yardsticks, the so-called Cyclically-Adjusted Price-to-Earnings ratio, which compares a stock’s price with the company’s net income of the previous 10 years.

In 1980, U.S. and international stock indexes traded for about the same CAPE, reports Asness. Today, the CAPE on the U.S. market is twice that of the international average. This shift is gigantic—and is in addition to any changes in earnings themselves. It’s not so much that U.S. earnings have gone up so much more than international earnings, it’s that U.S. stock prices have gone up much more, in relation to their earnings, than international stock prices.

Over the period 1980-2020, this “valuation shift” has accounted for about 80% of the total U.S. outperformance, Asness reports. And from 1990, a halcyon period for U.S. stocks because of the Japanese bubble collapse, it still works out at about 75%.

In other words, U.S. stocks haven’t become more popular because their performance has been so good: Their performance has been so good because they’ve become more popular. We investors are all bidding up the price of U.S. stocks because we think they are “better,” and by bidding up the price we make them look better…which causes more people to want to bid up the price even further.

US : U.S.: NYSE Arca
$ 412.35
-4.43 -1.06%
Volume: 94.74M
Feb. 3, 2023 4:00p
US : U.S.: Nasdaq
$ 101.14
-1.08 -1.06%
Volume: 0.00
Feb. 3, 2023
US : U.S.: NYSE Arca
$ 71.42
-0.67 -0.93%
Volume: 18.59M
Feb. 3, 2023 4:00p
US : U.S.: Nasdaq
$ 18.01
-0.20 -1.10%
Volume: 0.00
Feb. 3, 2023
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