As an extension of the article by Núñez, De la Cruz and Ortega (2007), different parametric models with jumps are tested with the methodology developed by Ait-Sahalia and Peng (2006), based on the transition function. Data analyzed are the peso-dollar exchange rate. The idea is to implement...

We show an empirical study to compare the Normal, t-Student and the Normal Inverse Gaussian (NIG) distributions. This is made for the Mexican stock market returns. The parameters of the NIG and t-Student distributions are estimated by maximum likelihood. The rejection of normality is contundent...

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,...