Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/91481
Authors: 
Mendonça, Mário Jorge
Medrano, Luis Alberto
Year of Publication: 
2011
Series/Report no.: 
Texto para Discussão, Instituto de Pesquisa Econômica Aplicada (IPEA) 1676
Abstract (Translated): 
The goal of this article is to model the desagregated series of taxes in Brazil. We use monthly data of a sample of taxes in charge for 80% of the Brazilian gross tax burden in the 1995-2010 years. For estimate the model we employ a Dynamic Linear Model (DLM) with variable parameter (WEST e HARRISON, 1997). The choice of this particular model was motivated by the constant changes made in the Brazilian tax system during these years. The forecast is performed a year ahead out of the sample. The main conclusions of the paper are the following. In general the results seem strongly satisfactory. The forecasts fall inside the error bands and the predicted error is bellow of 10% until six steps ahead. Above this horizon the forecast lose efficiency. Although for some taxes the model performed quite well, further efforts are required for others. Finally, for the majority of taxes the elasticity appears to have fluctuated below the unity.
JEL: 
H20
H22
C32
Document Type: 
Working Paper

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