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。
2
The stop-loss reinsurance as one way of reinsurance can make insurers obtain the highest expected effectiveness but the lowest risk variance.