Alonso, Julio César; Rivera, Andrés Felipe - In: Revista de métodos cuantitativos para la economía y … 23 (2017), pp. 98-118
The hierarchical structure of the Colombian Consumer Price Index (CPI) makes possible to calculate inflation as a … linear combination of its subcomponents. We use SARIMA models to forecast each component of CPI and construct an forecast of … inflation using a lineal combination of the forecasts of these components, i.e. a "bottom to top" approach. In this paper, we …