I introduce a method to transform a T-map when agents form expectations using a misspecified learning mechanism … "Restricted Perceptions Equilibria" (RPE) of such a model are learnable under adaptive learning. I present the New Keynesian … inertia where determinacy only changes with inertia if the REE and RPE are not stable under learning. Under restricted …

private agents' learning process, determines the speed at which the economy converges to the rational expectation equilibrium … convergence. I assess the relevance of the transition period from the learning to the rational expectations equilibrium when …

/or instability under learning. This problem is compounded by uncertainty about structural parameters. We advocate a procedure in …