Is Risk Management Useful?
Risk management:
how firms actively select the type and level of risk that it is appropriate for them to assume.
***选择适合自己的风险类型和风险级别,主动承担适合自己的风险***
常见:市场风险 信用风险
Risk Management Process
identify risk exposures (识别出风险)
Measure and estimate risk exposures(衡量和估算能够承担多少风险)
assess effects of exposures(风险对我们的影响)
处理风险:1避免风险(Avoid)2转嫁风险Transfer 3缓解风险(Mitigate)eg.抵押物 分散风险 4.keep 持有风险
Evaluate performance 高收益伴随高风险
讨论:
Risk management and risk taking aren't opposites, but two sides of the same coin.
风险管理和风险承担是一个硬币的两端,并非对立的。高收益高风险。
Blames for Risk Management :
1.安然公司财务造假
Fail to prevent market disruptions or accounting scandals.
2.郁金香合约(看涨期权) 世界第一次荷兰金融危机
Derivative markets make it easier to take on large amount of risk.
3.量化过于复杂,高频交易的因子是相同的,逻辑相近,eg.所有的程序都是买进,市场风险更大
Sophisticated financial engineering lead to the violent implosion of firms.
4.风险没有消失而是变成了其他的形式
Only transfer risks to other firms.
5.人类本性乐意承担高风险
Work to the short-term benefit.
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