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Hint: he thinks 401K fees are too high...The first, which I discussed here, analyzed the losses that 401(k) plans—or, rather, their administrators and managers—impose on plan participants by inflicting high-cost mutual funds on them. The second, “Beyond Diversification: The Pervasive Problem of Excessive Fees and ‘Dominated Funds’ in 401(k) Plans,” discusses what we should do about this problem. To recap, the empirical results are eye-opening.