Índice De Atividade Econômica: Os Modelos De Filtro De Kalman E Box-Jenkins Comparados
This paper has as objective to build a composite economic activity index for the local economy, created as form of measuring the economic activity. We use the factor analysis technique to determinate the components and their weights. This local index is then compared to national ones. As a result, the index behaves nicely as a local coincident index of the economic activities. Two techniques are used in their forecast; the first was the Kalman Filter and the second one the Box-Jenkins model. The presence of outliers required that we use a new technique in order the coefficients of the Kalman Filter model to be stable. The two techniques are then compared using a statistic test developed by Diebold and Mariano (1995). As a final result, the two models' forecasting are the same.
|Date of creation:||2004|
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|Order Information:|| Postal: Secretaria da ANPEC Rua Prof Marcos Valdemar de Freitas Reis s/n Campus do Gragoatá Bloco F Niterói, RJ 24210-201 Brazil|
References listed on IDEAS
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- Granger, C W J, 1969. "Investigating Causal Relations by Econometric Models and Cross-Spectral Methods," Econometrica, Econometric Society, vol. 37(3), pages 424-438, July.
- Diebold, Francis X & Mariano, Roberto S, 2002.
"Comparing Predictive Accuracy,"
Journal of Business & Economic Statistics,
American Statistical Association, vol. 20(1), pages 134-144, January.
- Diebold, Francis X & Mariano, Roberto S, 1995. "Comparing Predictive Accuracy," Journal of Business & Economic Statistics, American Statistical Association, vol. 13(3), pages 253-263, July.
- Francis X. Diebold & Robert S. Mariano, 1994. "Comparing Predictive Accuracy," NBER Technical Working Papers 0169, National Bureau of Economic Research, Inc.
- Tom Doan, "undated". "DMARIANO: RATS procedure to compute Diebold-Mariano Forecast Comparison Test," Statistical Software Components RTS00055, Boston College Department of Economics.
- Hodrick, Robert J & Prescott, Edward C, 1997. "Postwar U.S. Business Cycles: An Empirical Investigation," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 29(1), pages 1-16, February.
- Robert J. Hodrick & Edward Prescott, 1981. "Post-War U.S. Business Cycles: An Empirical Investigation," Discussion Papers 451, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
- Victor Zarnowitz, 1991. "What is a Business Cycle?," NBER Working Papers 3863, National Bureau of Economic Research, Inc.
- Lin, Dennis K. J. & Guttman, Irwin, 1993. "Handling spuriosity in the Kalman filter," Statistics & Probability Letters, Elsevier, vol. 16(4), pages 259-268, March.
- Spacov, Andrei Dudus & Duarte, Angelo José Mont'Alverne & Issler, João Victor, 2004. "Indicadores coincidentes de atividade econômica e uma cronologia de recessões para o Brasil," FGV/EPGE Economics Working Papers (Ensaios Economicos da EPGE) 527, FGV/EPGE - Escola Brasileira de Economia e Finanças, Getulio Vargas Foundation (Brazil). Full references (including those not matched with items on IDEAS)
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