NO.PZ2020011901000082
问题如下：
Which of the following statement is incorrect?
选项：
A.
With a relatively small initial outlay, the investor is ableto take a large speculative position.
B.
Arbitrage opportunities usually last for a month.
C.
Hedgers want to avoid exposure to adverse movements in the price of an asset.
D.
Arbitrage involves locking in a riskless profit bysimultaneously entering into transactions in two or more markets.
解释：
Arbitrage opportunities cannot last for long. Statement in B is incorrect.
什么叫last for a month
