And if they didn't need to pay me, then I wouldn't have any income to put food on the table for my wife and children.

如果他们不雇我,我就没有任何收入,来养妻活儿

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