Monetarism is hard to define because it is not the doctrine of a school that is sharply differentiated from the rival Keynesian and new classical schools. While some ecconomists are clearly monetarists, others take intermediate positions that make it more or less arbitrary whether to call them...

We examine whether inflation targeting should be regarded as optimal. Targeting inflation implies (undesirably) that price level variance tends to infinity: we produce some evidence from both a representative agent model and a long-used forecasting model that, once an endogenous indexation...