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Recovering Keynesian Phillips curve theory: hysteresis of ideas and the natural rate of unemployment

Summary:
Economic theory is prone to hysteresis. Once an idea is adopted it is difficult to change. In the 1970s, the economics profession abandoned the Keynesian Phillips curve and adopted Milton Friedman’s natural rate of unemployment (NRU) hypothesis. The shift was facilitated by a series of lucky breaks. Despite much evidence against the NRU, and much ...

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Economic theory is prone to hysteresis. Once an idea is adopted it is difficult to change. In the 1970s, the economics profession abandoned the Keynesian Phillips curve and adopted Milton Friedman’s natural rate of unemployment (NRU) hypothesis. The shift was facilitated by a series of lucky breaks. Despite much evidence against the NRU, and much [...]
Thomas Palley
Dr. Thomas Palley is an economist living in Washington DC. He holds a B.A. degree from Oxford University, and a M.A. degree in International Relations and Ph.D. in Economics, both from Yale University.

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