This paper presents a classification of the different new Phillips curves existing in the literature as a set of choices based on three assumptions: the choice of the structure of price adjustments (Calvo or Taylor), the presence of backward indexation, and the type of price contracts (fixed...

La Persistance de l'Inflation dans les Modèles Néo-Keynésiens, by Mohamed Safouane Ben Aïssa and Olivier Musy We derive the inflation dynamics implied by the different hypothesis on price adjustment existing in the New Keynesian litterature. We study the response of output and inflation in...