3 Comments
User's avatar
Peter R. Brookes's avatar

Clearly the signalling is about more than IQ else employers would probably use SATs as a proxy and not be that bothered about degrees

Expand full comment
Sebastian Jensen's avatar

It is about more than IQ, but markets need not be efficient.

Expand full comment
Peter R. Brookes's avatar

How do you mean in terms of the practicalities of this instance?

Expand full comment