Broto, Carmen; Ruiz, Esther - In: Studies in Nonlinear Dynamics & Econometrics 13 (2009) 2, pp. 1620-1620
In this paper we propose a model for monthly inflation with stochastic trend, seasonal and transitory components with QGARCH disturbances. This model distinguishes whether the long-run or short-run components are heteroscedastic. Furthermore, the uncertainty associated with these components may...