...atios); 另一类是同时考虑组合资产收益和收益方差, 从效用最大化的角度研究均值-风险套期保值比率(Mean-Risk Hedge Ratios)。
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最小风险套期保值比率 Risk-Minimizing Hedge Ratios
期货市场的风险转移功能主要通过套期保值策略来实现,期货市场套期保值的关键问题是套期保值比率的确定。
The function of risk transfer in futures markets mainly implements by hedging, so the key issue of futures markets is the determination of hedge ratio.
通过套期保值模型合理确定套期保值比率,可以提高套期保值效果,有效规避现货价格的风险。
Through hedge model to determine the hedge ratio can improve the hedge efficiency and effectively averse the risk of cash markets.
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。
Assume investors are absolute risk averter, and it is their aim to minimize its risk, and get hedge ratio under it.
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