The standard new Keynesian monetary policy problem is presentable as a set of linearized equations, for values of endogenous variables relatively close to their steady-state. As a result, only three possibilities are admissible in terms of long-term dynamics: the equilibrium may be a stable...

The economy is an adaptive and evolving complex system. The recognition of this fact has produced, over the last few years, a gradual but firm shift on the direction taken by mainstream economic thought. The representative agent paradigm is giving place to settings of interacting heterogeneous...