And the question is, so how many pigs does he have, and how many chickens does he have? Wow. What a deep problem, right? But you're going to see why we're going to use this in a second. So you know how to solve this, this is a fifth-grade problem, right?

为了避免歧义，这些猪和鸡都是健全的,现在问题是它到底有多少只猪和鸡呢？,多深刻的一个问题啊，对吗？,但是你将要看到的是,我们为什么要举这个例子,你知道如何解答这个问题？

麻省理工公开课 - 计算机科学及编程导论课程节选

I wanted to mention in this context, because I'm emphasizing how banks help solve the adverse selection and moral hazard problem -I wanted to mention briefly here also the rating agencies, which fulfill some of these functions.

我早就想在这段内容里讲讲这事了,因为我一直强调,银行是如何帮助解决逆向选择,以及道德风险问题的...,我还一直想在这里简要的提下,本应履行这些职能的那些信用评级机构

耶鲁公开课 - 金融市场课程节选