Optimal growth models aim at explaining long run trends of growth under the strong assumption of full efficiency in the allocation of resources. As a result, the steady state time paths of the main economic aggregates reflect constant, exogenous or endogenous, growth. To introduce business...

This paper develops and estimates a simple New Keynesian Dynamic Stochastic General Equilibrium (DSGE) model with rule-of-thumb consumers and external habits. Our theoretical model has a closed-form solution which allows the analytical derivation of its dynamical and stability properties. These...

This paper provides a micro-foundation of the behavior of the banking industry in a Stochastic Dynamic General Equilibrium model of the New Keynesian style. The role of banks is reduced to the supply of loans to ¯rms that must pay the wage bill before they receive revenues from sell- ing...