> To whom...,
> Now here's a good business to be in:
> "provide more unobservable medical effort than other providers from
> patients can choose."
> The traditional healers should all immediately get jobs at HMO's.
Someone should do a paper on economists' use of "unobservable." It's the magic residual in the total factor productivity equations; it's the reason women and blacks are paid less than white guys; it's the all-purpose defense of the status quo when you can't find any other!