and show that they're good workers to the employers,

他们的确是优秀的雇员
let's assume that the employers once again are banks or whatever,

我们假设用人单位还是银行吧
we're going to assume that

我们就假设优秀雇员
the extra piece of education they're going to get is an MBA.

会多持有一个MBA的学位
Some of you out there are getting an MBA.

有人就是来这里拿MBA学位的吧
Where's my MBA? There he is. There's my MBA student up there.

坐在那边的就是我的MBA学生了
So the good workers are going to get an MBA,

优秀雇员会得到一个MBA的学位
and the way this is going to work,

这个办法能奏效的原因在于
it's going to work on the costs of getting an MBA.

获得MBA的成本是不同的
So to get to this to be a successful signal,

为了让这个信号能够成功区别不同雇员
to make this signal different from merely dancing on the table,

为了说明它比在桌子上跳舞要强
it's either got to be the case that bad workers cannot get an MBA

那么要么较差的雇员无法获得MBA学位