overall economic efficiency

基本解释

But once the extra capital spending is taken into account there may be little or no gain in overall economic efficiency.
但是一旦额外的资本消耗被考虑在内后就可能（发现这些付出）在整个经济效率中所得甚少甚至没有收获。
Antimonopoly law legislation designed to promote the overall economic efficiency and consumers' welfare, and the main purpose of law enforcement is to prevent violations and corrective justice.
反垄断法的立法目的在于促进整体经济效率和消费者福利，执法的主要目的在于预防违法和给予矫正正义。
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5 reasonable cost: light weight steel structure, reduce the cost of infrastructure, construction speed, the overall economic efficiency is much better than the concrete structure of the building.
造价合理：钢结构建筑自重轻，减少基础造价，建造速度快，综合经济效益大大优于混凝土结构建筑。

Do you need further evidence that, in the words of Stigliz, "the pursuit of self-interest does not necessarily lead to overall economic efficiency"?
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This is not because it is a shining example of efficiency and democratic accountability, but because its overall economic and fiscal outlook is, at the moment, surprisingly robust.
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