"To get back to the 1998 level of production, Venezuela would need to invest for the next 10 years to upgrade its petroleum operations.

VOA: standard.2010.08.06

But if we have credit markets, then people can individually choose to be off the production possibility frontier and at a higher level of consumption than otherwise would.

但如果存在信贷市场,那么个人可以选择超越,PPF曲线的范围,达到比没有信贷市场时更高的消费水平

耶鲁公开课 - 金融市场课程节选