This paper aims to evaluate how public debt management in Brazil has affected its sustainability in the 1996-2007 period. In 2003 Brazilian public debt management changed the trade off between cost minimization and risk minimization emphasizing the first element. Using a Markov-Switching model...

This study aimed to the application of forecasts combination of model to predict tax revenues in Brazil. Here we combine the predictions obtained from three models: dynamic factor model (DFM), seasonal autoregressive integrated moving average (Sarima) and model of Holt-Winters smoothing. We...