问题
单项选择题
All of the following are benefits of derivatives markets EXCEPT:()
A. transactions costs are usually smaller in derivatives markets, than for similar trades in the underlying asset.
B. derivatives markets help keep interest rates down and supply valuable price information.
C. derivatives allow the shifting of risk to those who can most efficiently bear it.
答案
参考答案：B
解析：
The existence of derivatives markets does not affect the level of interest rates.