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Ski resorts lie about snow, but iPhones tell truth

Two profs at Dartmouth compared snowfall as reported by ski resorts with that in government weather records. The resorts had seemingly found an astonishing new meteorological phenomenon: Regular, unusually large deposits of fresh powder on weekends, just when most skiers are inclined to head to the slopes and just when resort prices are higher! Of course, the weekend-powder pattern didn't show up in the weather-service reports.

Here's what's coolest: The iPhone's ski-report app, which lets skiers share real-time conditions, is forcing the resorts to be more honest. Exaggeration fell at the resorts with iPhone reception. The wisdom of crowds, indeed. HT Marginal Revolution.

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The paper, by Jonathan Zinman and Eric Zitzewitz, can be read here. Here is the abstract:


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