Here's a review: http://www.uow.edu.au/~bmartin/pubs/01BRrt.html
This capacity for creative work in pursuit of others' ends is exactly why Rachel says PhDs are such valuable minions.
The book "Disciplined Minds"  makes this point in a radical way. I didn't agree with everything it said, but its point is that higher education selects for people willing to jump through arbitrary hoops for nebulous returns, and that that conformism is valuable to employers.
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