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Great Debates

Jonathan Clements  |  May 25, 2019

IN THE FINANCIAL world, making money is the most popular pastime—but having a good argument is a close second.

What do folks argue about? HumbleDollar’s online money guide has always included a handful of sections labeled “great debates.” I decided to expand that collection to 12—and gather them together in their own chapter. Below you’ll find one of the new sections, plus links to the other 11.

Debate No. 8: Is Indexing Dangerous?

AS INDEX FUNDS garner ever more assets, proponents of active management have all but given up claiming that there are reliable strategies for beating the stock market averages. Instead, they’ve sought to persuade folks that they should avoid index funds, because indexing is bad for the smooth functioning of the stock market.

In essence, investors are being told, “We know that, on average, indexing beats active management. But you should still trade stocks and buy actively managed funds, because we need folks like you to ensure we have liquid markets without major mispricings.” The goal of investing is to make money, so this seems like a bizarre argument. But is it in any way justified?

It’s hard to know precisely how much of U.S. and foreign stock market value is in passively managed strategies that simply seek to replicate the performance of a market index like the S&P 500 or the Russell 2000. But we know indexing is far more popular in the U.S. than elsewhere—and yet, even in the U.S., the most generous estimates suggest that less than half of the stock market’s total value is held by index mutual funds, exchange-traded index funds and other passive strategies.

Moreover, if the goal is to ensure there’s a liquid, efficient market where investors can readily buy and sell, what’s important isn’t how much money is actively managed, but rather how active that money is. On that score, there seems little reason to worry. Stock trading in the U.S. is as vigorous as ever, despite the flood of money into index funds. In fact, according to World Bank figures, the annual value of U.S. stock trading was $33 trillion in 2018, up 168% over the past two decades. How much more buying and selling do we need to have a well-functioning market?

If there are no signs that the U.S. stock market is about to grind to a halt from lack of trading, why all the handwringing over the growth of indexing? As always on Wall Street, you need to follow the money. Just as the Street has a financial incentive to belittle the intelligence of small investors, it also makes far more money from active money management than from index funds. What if the Street can persuade investors to stick with active management? Those investors will, on average, be worse off—but Wall Street’s bottom line will be fatter.

WANT TO READ about the other 11 great financial debates? Click on the links below:

Follow Jonathan on Twitter @ClementsMoney and on Facebook. His most recent articles include Debtor’s DozenHere to Retirement and Calling the Shots. Jonathan’s latest books: From Here to Financial Happiness and How to Think About Money.

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