The formulas calculating higher derivatives of parametric functions and composite functions are given by the chain rule and the product formula for derivatives.

用函数的链式法则和乘积公式给出了参数函数和复合函数的高阶导数的计算公式。

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The combined company would hold a virtual monopoly in European derivatives trading, which is a much higher margin business than equity trading in the us.

合并后的公司将在欧洲衍生品交易中具有实质性垄断地位，业务利润率远高于美国股票交易。

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The attraction of moving into futures, options and swaps is that derivatives markets tend to command higher valuations than those that trade only shares.

向期货、期权和互换转换的吸引力在于，相对于普通的股票交易，衍生品市场越来越赢得更高的估值。

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If the yield on these assets declines to around 2% on greater regulatory scrutiny, especially on higher margin businesses like derivatives, this reduces our price estimate by about 2%.

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One reason is that with higher oil prices, the petroleum derivatives that Ecuador imports to make petrol for domestic use are now costlier too.

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Futures and other derivatives trading is a much higher growth and higher margin business for exchanges.

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