欧洲央行：了解商业周期各阶段的通货膨胀与产出关系（英文版）

We examine the state dependence of monetary policy transmission and the parameters of the Phillips curve, dynamic IS equation, and Taylor rule across four regimes defined by joint deviations of inflation from the Federal Reserve’s target and output from potential. The analysis uncovers important regime-specific asymmetries. The Taylor principle holds across all four regimes. The systematic policy response to the output gap weakens when inflation is below target but output remains above potent