The existence of hedging expenses causes some grain futures markets with low hedging effectiveness to fall into a vicious circle;
套期保值费用的存在，致使套期保值效果较差的粮食期货市场存在恶性循环；
Optimal dynamic hedging of exchange rate risk is modeled and the hedging effectiveness of the dynamic and static strategies is compared.
构建一个最优动态汇率风险套期保值理论模型，并将其套期保值效率与静态策略进行实证对比。
And the final result indicates the hedging effectiveness of dynamic stock index futures hedging strategy is better than minimum-variance hedging strategy.
研究结论是，在效用最大化对冲目标的基础上，股指期货动态对冲策略的有效性优于最小方差对冲策略。
And the final result indicates the hedging effectiveness of dynamic stock index futures hedging strategy is better than minimum-variance hedging strategy.
研究结论是，在效用最大化对冲目标的基础上，股指期货动态对冲策略的有效性优于最小方差对冲策略。
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