单选题
Concerning efficient financial( including derivative) markets, the most appropriate description is that
A、
it is often possible to earn abnormal returns.
B、
the law of one price holds only in the academic literature.
C、
arbitrage opportunities rarely exist and are quickly eliminated.
【正确答案】
C
【答案解析】
Efficient markets are characterized by the absence, or the rapid elimination, of arbitrage opportunities.
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