Distinct parametric models in continuous time for the interest rates are tested by means of a comparative analysis of the implied parametric and nonparametric densities. In this research the statistic developed by Ait-Sahalia (1996a) has been applied to the Mexican CETES (28 days) interest rate...

This paper elaborates a Vector Error Correction (VEC) in order to determine the causality between inflation and productivity, and between the productivity and investment in Mexico. A VEC allows a causality analysis among cointegrated variables with the same integration order [Hall and Milne,...