In this paper we introduce and test the hypothesis that the relation between inflation and unemployment has been in many countries subject to a significant change in the early 1990's after the disinflation period. That period began between 1975 and 1980 after the first (or the second) oil price...

In this paper we introduce and test the hypothesis that the relation between inflation and unemployment has been in many countries subject to a significant change in the early 1990's after the disinflation period. That period began between 1975 and 1980 after the first (or the second) oil price...

We test the hypothesis that the long-term Phillips curve is downward sloping and has become flatter in the last 10 to 15 years. Controlling for the most important other factors influencing the inflation rate, we estimate cointegrations and test whether a "break" in the Phillips curve can be...