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Some new research confirms that badly structured 401(k) plans are to blame for some of the losses that workers suffer. Yet although the vast majority of plans have investment options that are good enough for workers to create strong retirement portfolios anyway, most workers aren't up to the challenge.
Who's to blame?
A recent study by the Wharton School of Business and the Vanguard Group took a look at 401(k) plans at 1,000 different companies that together employed nearly 1 million participants. The study, sponsored by the National Bureau of Economic Research, looked at the period from 1998 to 2004, which covered more or less an entire market cycle, including the end of the 1990s bull market, the tech bust, and the beginning of the subsequent rebound in stocks.
The study compared the actual returns that participants earned against theoretical returns for investment portfolios of similar risk that weren't limited to investments that the plans offered. It found that after 35 years, 401(k) savers earn about 23% less than they should have.
But while many people tend to blame the limited investment options that 401(k) plans offer for their bad performance, the study found that 94% of plans had enough choices to let investors create efficient portfolios. Instead of blaming the plans, therefore, the researchers concluded that workers themselves weren't doing the best they could with the choices they were given.
Making the same old mistakes
Among the ways that workers failed to earn the best returns were the following:
- Lack of diversification. Most participants don't use all of the fund options they're given. In particular, workers tend to invest too little in bond funds, gravitating toward either stock funds on the aggressive end of the investment spectrum or money market or stable value funds on the conservative end.
- Too much company stock. Workers seem drawn to buying company stock in their 401(k) accounts, perhaps because it's comfortable investing in a business you already know well. Workers at many companies, including Chesapeake Energy (NYSE: CHK ) , ExxonMobil (NYSE: XOM ) , and Coca-Cola (NYSE: KO ) , invest on average half or more of their account balances in company stock. Often times it doesn't make sense to invest yourself both financially and occupationally where you work -- no matter how much confidence you have in the company.
The research only confirms what many have already noticed about how most investors make less than perfect choices. Yet studies like these make a really big assumption about 401(k) participants: that they don't have any substantial assets outside their 401(k) accounts. And although that assumption makes the economic analysis a lot easier, it also risks drawing the wrong conclusions about workers' portfolios.
Crazy-looking choices that might just be rational
Once you remember that a 401(k) account might be just a piece of a worker's overall investment portfolio, what constitutes optimal behavior changes. For instance, you'd typically think that someone who invests 100% of his 401(k) in company stock was taking on an unacceptable amount of risk. Yet if that 401(k) makes up only 5% of that worker's total net worth, then putting all of his 401(k) contributions in company stock becomes a lot safer.
Similarly, choices that seem insufficiently aggressive may in fact be appropriate in combination with other investments outside the 401(k) account. For example, using a 401(k) solely to hold a fund with high-dividend paying stocks like Philip Morris International (NYSE: PM ) and Kraft Foods (NYSE: KFT ) might seem like the wrong way for someone to invest who has a long time horizon. Yet if they hold high-growth prospects like Agrium (NYSE: AGU ) and Netease.com (Nasdaq: NTES ) in their regular taxable accounts, then their overall portfolio would have the right level of risk for a younger worker.
Moreover, doing so could give them a lower overall tax bill, because any gains would be eligible for the 15% maximum capital gains rate rather than ordinary tax rates up to 35% on 401(k) withdrawals.
Don't judge too quickly
So as you put together your overall investing plan, remember that while your 401(k) account is an important part of the plan, it's not meant to be your only account. If you're smart about what investments you put where, you can prove the researchers wrong and build your overall wealth the best way you can.
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