%0 Journal Article %T Continuous Time Models of Interest Rate: Testing Peso-Dollar Exchange Rate %A N¨²£¿ez %A Jos¨¦ Antonio %A Ortega %A Elizabeth %J Econom¨ªa: teor¨ªa y pr¨¢ctica %D 2011 %I UAM, Unidad Iztapalapa, Departamento de Econom¨ªa %X as an extension of the article by n¨²£¿ez, 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 continuous-time parametric models to the peso-dollar exchange rate. the results confirm that no continuous time model are not accurate enough to explain the behavior that describes the peso-dollar exchange rate, however, considering some continuous time models with poisson jumps is possible to describe such behavior. %K exchange rate %K jumps %K transition density. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S0188-33802011000100003&lng=en&nrm=iso&tlng=en