问题如下图：
选项：
A. 
B. 
C. 
解释：
老师 请问 什么是destabilizing consequence
NO.PZ2018062007000013 问题如下 whiof the following is stablizing consequenthspeculators bring to the rivatives market? A.fault speculators antheir cretors increases, whimleto systemic risk. B.Creation of trang strategies mleto asymmetric profit anloss. C.Fluctuations in market prie to arbitrage activities A is correct. e to the lower capitrequirement anease of going short, the speculators use large amounts of leverage, they mfalarge losses if markets move to the opposite rection. Therefore speculators mfault to their cretors, anso on, whibring instabilty to market.B is incorrebecause asymetric profit anloss is not a stabilizing consequence.C is incorrebecause arbitrage activities woulpush up the lower prianpush wn the higher priuntil they converge本题考察投机者对衍生品市场的负面作用A衍生品高杠杆的特性导致如果投机者亏损过大很容易产生违约，从而引发市场的不稳定B对称的收益和损失对市场并不是一个负面的影响C套利活动导致的市场价格波动更有利于价格发现，而不是负面影响。 asymmetric是非对称把，答案里得说法看不懂。b想说得是什么情况。这个情况是否是由投机者带来得。b得答案错在哪里呢？
NO.PZ2018062007000013 请问系统性风险包括哪些？
fault risk 是 systemic risk吗
麻烦老师一下A，谢谢老师
