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The production possibility frontier at different horizons is in different places.

不同层面的生产可能性曲线,会有不同的位置

耶鲁公开课 - 金融市场课程节选

If there were no credit markets, everyone would have to be on the production possibility frontier; there would be no other choice.

如果没有信贷市场,每个人的收入水平都会落在PPF曲线上,别无选择

耶鲁公开课 - 金融市场课程节选

Irving Fisher also drew on the curve a production possibility frontier for society, which he made downward-curved.

欧文·费雪还画了一条曲线,代表了社会的生产可能性边界PPF,这是一条向下的曲线

耶鲁公开课 - 金融市场课程节选

That efficiency will be crucial if the US is to stay on the boundary of its production possibility frontier in the face of automatic cuts in federal spending that began last month.

FORBES: Manufacturing Is Moving America

But that possibility of it working in other countries opens a new frontier.

FORBES: Does Management Matter?