It's more like saying "markets aren't always right, but they're useful, otherwise they wouldn't exist".
The efficient market hypothesis says "the market may be wrong sometimes, but you can't consistently tell when".
[1] http://en.wikipedia.org/wiki/Efficient-market_hypothesis
It's more like saying "markets aren't always right, but they're useful, otherwise they wouldn't exist".
The efficient market hypothesis says "the market may be wrong sometimes, but you can't consistently tell when".
[1] http://en.wikipedia.org/wiki/Efficient-market_hypothesis