they're going to go on and get the third degree.

他们就会去拿第三个学位
So what this model predicts is if you get rid of this cost difference

这个模型说明如果你让成本差别消失
then workers will find a new way to raise the cost difference again.

雇员们会想办法用别的方法找回成本差别
The way that takes place, at least in some economies,

它最后的结果是什么至少在有些国家
is you start seeing qualification inflation.

最后会造成学位通胀
By qualification inflation I mean that, pretty soon,

学位通胀的意思是说很快你会发现
even to drive a dump truck you need to have a university degree.

即使开个破卡车也需要大学文凭了
Okay, now what are the lessons here for education more generally?

那么这里有什么结论和教育系统有关呢
This is a pretty sparse model of education

这个模型和教育关联并不十分紧密
but all of you, and more immediately me,

但是你们特别是我
are involved in the education system.

都和教育系统有些关联
So we should care about it a bit.

所以我们应该关注一下