John Nash, the US mathematician who has died at 86, is hailed with putting game theory at the heart of economics. Ferdinando Giugliano explains why his work is so important and how the Nash equilibrium theory works.

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# How Nash Equilibrium Changed Economics

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John Nash, the US mathematician who has died at 86, is hailed with putting game theory at the heart of economics. Ferdinando Giugliano explains why his work is so important and how the Nash equilibrium theory works.