Photo: #A chart from University of Minnesota professor emeritus and 2007 Nobel Prize-winning economist Leonid Hurwicz's 1945 article "The Theory of Economic Behavior."

What is 'mechanism design theory?'


A retired professor from the University of Minnesota became the oldest person ever honored with a Nobel Prize Monday. Leonid Hurwicz, 90, will share this year's Nobel in economics "for having laid the foundations of mechanism design theory." What does that mean in layman's terms?

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