我刚开始宏观经济的学习,所以想请教大家一些关于菲利普曲线的问题
1. What are the main theoretical arguments behind a simple Phillips-curve?
2. What do a vertical and a horzontal Phillips-curve mean?
3. Can these two curves be explained within the same theoretical framwork?
4. about inflation: how can inflation be cured in the shout run and in the long run?



雷达卡



In the short run, when wages and prices are assumed to be fixed, there can be no inflation and thus the Phillips curve makes no sense over this very brief time frame. But in the medium run (in this chapter also often referred to as the short run), the Phillips curve is downward sloping as inflationary expectations are assumed to be constant. In the long run, the Phillips curve is vertical at the natural rate of unemployment, which corresponds to the vertical long-run AS-curve at the full-employment level of output.

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