来自《耶鲁大学开放课程：金融市场 第6集 第6集》
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because they're trading too much and因为他们交易得太多 -
they really can't predict the market.并且他们根本无法预测市场 -
There's like 1% of them, though,然而 他们中约1%的人 -
who seem like they can actually beat the market.看起来确实能够打败市场 -
This looks like really good for efficient markets.这对有效市场假说是种挑战 -
They found that there are some Taiwanese people他们发现有些台湾人 -
who know how to beat the market--知道如何战胜市场 -
1% survives and stays in.1%的人在金融搏杀中存活并留了下来 -
Is that contrary to efficient markets?这与有效市场理论矛盾吗 -
Well, it does seem contrary看起来是矛盾的 -
because they found that a small number of people因为他们发现一小部分人 -
did find some forecasting rule and succeeded.确实找到了预测的方法并成功了