On the supply side, individuals are assumed to operate on the principle of utility maximization.

从供给方面来看，假定个人行为是遵循效用最大化原则。

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Rational consumption means that consumers in the consumption capacity of permit conditions, in accordance with the principle of utility maximization of consumer pursuit.

理性消费就是指消费者在消费能力允许的条件下，按照追求效用最大化原则进行的消费。

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Rent setting makes supply of rent, rent seeking makes demand of rent, both the two sides follow the principle of utility maximization while doing venture business with each other.

设租行为产生租金的供给，寻租行为产生租金的需求，供求双方在带有风险性的租金市场上进行交易时，遵循效用最大化原则。

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