139****17192022-08-17 14:27:09
139****1719In efficient financial markets, risk-free arbitrage opportunities: A. will not exist. B. may persist in the long run. C. may exist temporarily.这题为啥不选a？
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Evian, CFA2022-08-18 10:38:46
Evian, CFAヾ(◍°∇°◍)ﾉﾞ你好同学，
In efficient financial markets, risk-free arbitrage opportunities may exist temporarily, but their continuous exploitation will eliminate these arbitrage opportunities in the long run.
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