The only risks that are left are risks that everyone shares, so you would see planet-wide risks expressing themselves in consumption, but nothing else.

唯一剩下的风险,就是每人分担的那些风险，所以你会看到全球的市场风险,以消费的形式表现出来，再无其他。

耶鲁公开课 - 金融市场课程节选

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