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Gambling: Poker-faced | The Economist
But the opposite proved to be true. Those who had done well before did well in 2010, too. Whereas ordinary players made a loss of 15.6%, the skilled made a return on investment of 30.5%, suggesting that poker is after all a game of skill. The economists say that similar tests of persistence in returns have also been used to detect whether mutual-fund managers have genuine expertise. In contrast to the case of poker, they point out, those tests have tended to find “little evidence of skill in this domain”.