因此，评估可由广义自回归条件异方差(GARCH模型)，这可能使避险比率意味着出随时间变化。
Therefore, evaluation could be carried out by means of Generalized Autoregressive Conditional Heteroscedasticity (GARCH), which could make hedge ratio vary with time.
私人企业的借贷越宽松容易，和贷款挹注避险基金的比率越高涨，在景气顺畅时越是赚钱的终南捷径。
The greater acceptance of debt allowed private-equity firms and hedge funds to bet on rising asset prices with borrowed money, which is a quick route to riches when all goes well.
然而，没有哪种模式或对冲避险策略是通过此事，认为这是完全套期保值比率会随时间而改变。
However, no matter which kind of hedge model or hedge strategy is adopted, it is totally considered that hedge ratio will vary with time.
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