求翻译：如图3所示，随着管制强度的提高，在烟草消费量减少的同时，管制的边际成本在上升，而管制的边际收益在下降。符合管制效率的点是Q*，在该处，管制的边际成本=边际收益，政府管制的效率达到最大。是什么意思？

Shown in Figure 3, with the improvement of the control strength, while reduction in tobacco consumption, the marginal cost of control rising marginal gains in the control. Control efficiency point q *, where the marginal cost of control = marginal revenue, the efficiency of government control reache

As shown in Figure 3, along with the increased intensity control, reduce consumption of tobacco in the same time, the control of the marginal costs on the rise, and control of the profit margin on the decline. Consistent with the efficiency of control over is Q * , in the office, control of the marg

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As shown in Figure 3, with the improvement of control intensity, while reducing tobacco consumption, control of marginal costs on the rise, the regulation of declining marginal returns. Meet the efficiency of control point Q*, in the Department 's, marginal cost = marginal revenue control, maximum e

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