NO.PZ2023040301000091
问题如下:
Which of the following situations will most likely promote an increase in market efficiency?
选项:
A.An increase in arbitrage opportunities
A decrease in trading activity
An increase in information availability
解释:
Information availability (e.g., active financial news media or information regarding trading activity and traded companies) and financial disclosure should promote or increase market efficiency
a选项为什么错?套利多了市场不是就渐渐归于有效了吗