We study an endowment economy with complete markets and heterogeneous agents who do not have rational expectations, but form their beliefs using adaptive learning algorithms that may differ from one individual to another. We show that market completeness allows agents to smooth consumption...

After 2012, inflation has been unexpectedly low across much of the developed world and economists speak of a “missing inflation” puzzle, namely inflation was expected to be higher on the back of an ongoing recovery. This paper investigates the causes and consequences of low inflation in the...

The main advantage of price level stabilization compared with inflation stabilization rests on the central bank's ability to shape expectations. We show that stabilizing prices is no longer optimal when the central bank can shape expectations of agents with incomplete knowledge, who have to...

The aim of this paper is to inspect the asset pricing properties of basic New Keynesian monetary models. Because of monetary nonneutrality, expected returns on assets must pay a risk premium not only on technology shocks, as in RBC models, but also on monetary shocks. We provide closed form...

Using micro price data underlying the Harmonized Index of Consumer Prices in France, Germany and Italy, we estimate relative price trends over the product life cycle and show that minimizing price and mark-up distortions in the presence of these trends requires targeting a significantly positive...