"We construct a utility-based model of fluctuations, with nominal rigidities and unemployment, and draw its implications for the unemployment-inflation tradeoff and for the conduct of monetary policy.We proceed in two steps. We first leave nominal rigidities aside. We show that, under a standard...

"Wage setters take into account the future consequences of their current wage choices in the presence of downward nominal wage rigidities. Several interesting implications arise. First, nominal wages tend to be endogenously rigid also upward, at low inflation. Second, a closed-form solution for...