Monday, May 25, 2009

How many economists does it take to change a lightbulb?

How many economists does it take to change a lightbulb?

Two: One to change the bulb and one to assume the existence of a ladder.
Eight: One to screw in the light bulb and seven to hold everything else constant.
None: They are all waiting for the invisible hand.

Alcon and Solarz: 'The Autistic Economist'
Yale Economic Review, Summer 2006

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