求翻译：因此，管制的有效区间在OQ1之间。而政府管制所要追求的目标是使管制的净收益达到最大化，即总收益—总成本之差最大，也就是图2中的Q*。是什么意思？

Therefore, the effective control of the interval between the oq1. Government regulation to pursue the objective is to maximize the net income of the control, of the total income - the difference between the total cost is 2 q *.

Therefore, effective control of the line between OQ 1. Control of the Government and the goal to be pursued to make control of the net earnings to the maximum, which is total receipts - total cost of the difference between the maximum and that is the Q in figure 2 * .

正在翻译，请等待...

Therefore, control of interval between OQ1. Control objectives to be pursued by the Government is to enable the control of maximizing the net benefits, the difference between total revenue-total cost the most, which is Q* in Figure 2.

正在翻译，请等待...