Cost behaviour is the way in which costs are affected by changes in the volume of output.

成本行为是一种通过改变产量来影响成本的行为。

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The basic principle of cost behaviour is that as the level of activity rises, costs will usually rise.

成本行为的基本特征是：作业水平上升，则成本通常也上升。

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The conventional concept of cost isn table to explain some kinds of cost behaviour in modern enterprise, so it cant contain all the kinds of cost concepts.

传统的成本概念已无法解释现代企业发生的种种成本行为，也无法涵盖各种具体形式的成本概念，因此，有必要加以改进。

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Such behaviour carries a cost: while the city's debt is rising, its steep streets are increasingly pot-holed, its parks unwatered, its street-lighting patchier.

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One is higher taxes, to make polluters pay the full cost of their anti-social behaviour.

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Offering insurance at a fixed, low cost will also have an unintended effect on behaviour: the sickest people will be the first to buy, since they expect the highest medical costs in the future.

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