这说明在一般情况下，具有动态特征的计量模型适合于较长的期货合约，其套期保值效果更好。
Explain the futures contracts are longer, the better the effect of hedging estimated from the dynamic econometric models.
针对我国的实际情况，论文研究了适合于风险规避型投资人计量其风险的马科维茨模型。
Aiming at Chinese actual situation, the paper studies a Markowitz's Model, which can be used to measure conservative investors' portfolio market risk.
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