I'll start you off with the wrong answer and this, by the way, can be found on this web site.
我先例举几个错误的答案,这些都可以在这个网站上找到。
So here I'm going to use the example we had in class last time.
所以在这里,我将要使用上次在课上举过的例子。
I'm not going to stress public finance so much in this course but it seems-- I'm going to give the example of nineteenth century information technology and the nineteenth century invention of social security.
在这课上我不想过多强调,财政的重要性-,我将给大家举个例子,关于19世纪的信息技术,和19世纪社会保障的创新。
And that's why all those reactions, first of all, in some sense what I put up was kind of a trivial statement in actual fact saying they all happen spontaneously because I didn't specify what we were starting with exactly, what concentrations we were starting with.
首先这就是为什么所有的这些方程,在某种程度上,我举得这些例子说它们自发产生,这是一个琐碎的陈述,因为我没有说明,我们从什么地方开始。
Just to see that in a very simple example, again, we don't use such a complicated example as the one we looked at last time, you could imagine a game, a really trivial coordination game, which looked like this .
不妨再举一个例子,我们就不找上一讲那么复杂的案例了,看一下这个简单的协调博弈,如
Because if anything worked, there would be a solution that would have some value over time and people wouldn't have to be seeking out the newest miracle, getting every little thing they see on TV and the like, and I'll show you some amusing examples of those in the next class.
如果真有用,那就找到了长期有效的解决方法,人们就不会再三地寻找方法了,只要看到电视上有什么小妙招就要尝试,下堂课我会举几个有趣的例子
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