Nonlinear economic variables have been tested for many years with linear models, thus making them insufficient in providing an explanation for real life. As a result of the recently conducted studies, nonlinear time series analyses are observed to be more successful in forming especially the...

This paper attempts to discuss quality and some improvements in high frequency time series data of the nominal gross investment expenses for Brazilian municipalities which are state capitals. We first utilized data for the 2001-2008 period available in Relatórios Resumidos de Execução...

We estimate the Phillips curve with an exchange rate shock to the Brazilian economy. Besides panel data, we estimate the Phillips curve by time series methodology, including Bayesian techniques and Smoothing Transition Regressions (STR) model. The econometric results show three important...