1、 Assume investors are absolute risk averter,and it is their aim to minimize its risk,and get hedge ratio under it.
假定投资者是绝对的风险厌恶者，其保值的目的是将风险最小化，由此得到最小方差下的套期保值比率。
来源:
2、 The result about the analysis of the portfolio shows that as long as arbitrage chance exists, each investor can get higher income, not increasing risk, no matter he is a risk averter or seeker.
对此套利组合的分析结果表明只要存在无风险套利机会，无论风险投资者的偏好如何，都能在不增加风险的基础上，获得较高的收益。
来源:
文