The authors propose a short run model for the monetary transmission mechanism in witch the output gap is modelled as an unobserved variable. By estimating this model using maximum likelihood on a Kalman Filter, the authors find an estimate of the unobserved output gap as well as its estimation...

In financial theory, the optimal allocation of assets and its relationship with profitability has been one of the main concerns; the question has always been if banks should focus or diversify their assets. In our case, we would like to answer this question focusing in diversification of the...