A robust Bayesian dynamic linear model for Latin-American economic time series: “the Mexico and Puerto Rico cases”

Jairo Fúquene (), Marta Álvarez and Luis Raúl Pericchi

Latin American Economic Review, 2015, vol. 24, issue 1, 1-17

Abstract: The traditional time series methodology requires at least a preliminary transformation of the data to get stationarity. On the other hand, robust Bayesian dynamic models (RBDMs) do not assume a regular pattern or stability of the underlying system but can include points of statement breaks. In this paper we use RBDMs in order to account possible outliers and structural breaks in Latin-American economic time series. We work with important economic time series from Puerto Rico and Mexico. We show by using a random walk model how RBDMs can be applied for detecting historic changes in the economic inflation of Mexico. Also, we model the Consumer Price Index, the Economic Activity Index and the total number of employments economic time series in Puerto Rico using local linear trend and seasonal RBDMs with observational and states variances. The results illustrate how the model accounts the structural breaks for the historic recession periods in Puerto Rico. Copyright The Author(s) 2015

Keywords: Robust Bayesian dynamic model; Outliers and structural breaks; Latin-American time series; Consumer Price Index; Economic Activity Index; Total number of employments; C11; C40; G17; N16 (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1007/s40503-015-0020-z

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