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1·When either of the above-mentioned methods is chosen by an enterprise as the accounting policy, it shall be applied to all relevant forecast transaction hedging and shall not be changed randomly.

企业选择了上述两种处理方法之一作为会计政策后，应当一致地运用于相关的所有预期交易套期，不得随意变更。

2·In this thesis, the pricing and hedging in incomplete markets with transaction cost and basis risk are examined.

本文研究了带基差风险和交易费用的不完全市场中的权证定价与避险策略的建构问题。

3·Credit derivatives are also negative benefit assets, so it can completed the credit risk hedging positions by the transaction between sellers and buyers.

信用衍生产品又是一种负利资产，其买卖双方在交易中完成了信用风险头寸的对冲。