NILS GOTTFRIES is a professor of economics at Uppsala University and until recently editor of The Scandinavian Journal of Economics. He has published extensively in journals including the QJE, JPE, EJ, EER. Most of his research has been concerned with the microeconomic foundations of macroeconomics, particularly the theory of the supply side: prices, wages, and unemployment. He was a member of the Swedish commission on the EMU. He has been teaching macroeconomics regularly at the intermediate and graduate levels.