What is implied in the efficient market hypothesis "Theres no such thing as a free lunch"？
专四
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What is implied in the efficient market hypothesis "Theres no such thing as a free lunch"？
A．You need to ignore a hot tip offered.
B．You need to pay for a hot tip offered.
C．You need to justify a hot tip offered.
D．You need to take quick advantage of a hot tip offered.
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正确答案：C
本文第五段第一句指出有效市场假如用通俗的话讲就是“天下没有免费的午餐”。然后作者以股市为例，告诉我们对有效市场上提供的任何小道消息都要谨慎从事。因为当我们得到这个消息时，从中赢利的机会有可能已不复存在了。因此选C。