We introduced tax expenditure as the cost of the policy, and the maximum consumption of utility as the policy earnings.
因此特别选用消费者最大消费效用表示政策收益，税式支出表示政策成本。
We introduced tax expenditure as the cost of the policy, and the maximum consumption of utility as the policy earnings.
因此特别选用消费者最大消费效用表示政策收益，税式支出表示政策成本。
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