Medicare Advantage plans — private plans that serve as alternatives to the traditional, public program for those that qualify for it — underperform traditional Medicare in one respect: They cost 6 percent more.
But they outperform traditional Medicare in another way: They offer higher quality. That’s according to research summarized recently by the Harvard health economists Joseph Newhouse and Thomas McGuire, and it raises a difficult question: Is the extra quality worth the extra cost?
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