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A Curva de Phillips e a Experiência Brasileira

  • Adolfo Sachsida
  • Marcio Ribeiro
  • Claudio Hamilton dos Santos

Este estudo estima uma curva de Phillips com mudança de regime para a economia brasileira no período 1995-2008. De maneira geral, são três os principais resultados encontrados: i) ao contrário do que ocorreu nos resultados anteriores, ao adotarem-se especificações não lineares para a curva de Phillips, o coeficiente da expectativa de inflação torna-se superior ao coeficiente da inflação passada. Isto sugere que artigos que estimam a curva de Phillips por modelos lineares podem estar subestimando o papel das expectativas na dinâmica inflacionária; ii) os testes sugerem fortemente a rejeição da hipótese de linearidade nos parâmetros da curva de Phillips, isto é, a estimação da curva de Phillips por métodos lineares seria viesada e ineficiente; e iii) os resultados econométricos mostram pouca robustez, e alta sensibilidade, dos parâmetros a diferenças nas especificações de não linearidade ou mudanças no conjunto de proxies adotadas. Isto parece indicar a inadequação da curva de Phillips para explicar a dinâmica inflacionária na economia brasileira.

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Paper provided by Instituto de Pesquisa Econômica Aplicada - IPEA in its series Discussion Papers with number 1429.

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Length: 22 pages
Date of creation: Oct 2009
Date of revision:
Handle: RePEc:ipe:ipetds:1429
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  1. Olivier Blanchard & Jordi Gali, 2005. "Real Wage Rigidities and the New Keynesian Model," NBER Working Papers 11806, National Bureau of Economic Research, Inc.
  2. Marcelo Savino Portugal & Angelo Marsiglia Fasolo, 2004. "Imperfect Rationality and Inflationary Inertia: A New Estimation of the Phillips Curve for Brazil," Econometric Society 2004 Latin American Meetings 5, Econometric Society.
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  5. MINELLA André & DE FREITAS Paulo Springer & GOLDFAJN Ilan & KFOURY MUINHOS Marcelo, . "Inflation Targeting in Brazil: Constructing Credibility under Exchange Rate Volatility," EcoMod2003 330700103, EcoMod.
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  9. Jordi Gali & Mark Gertler & J. David Lopez-Salido, 2001. "European Inflation Dynamics," NBER Working Papers 8218, National Bureau of Economic Research, Inc.
  10. N. Gregory Mankiw & Ricardo Reis, 2001. "Sticky Information Versus Sticky Prices: A Proposal to Replace the New Keynesian Phillips Curve," NBER Working Papers 8290, National Bureau of Economic Research, Inc.
  11. Clarida, Richard & Galí, Jordi & Gertler, Mark, 1999. "The Science of Monetary Policy: A New Keynesian Perspective," CEPR Discussion Papers 2139, C.E.P.R. Discussion Papers.
  12. Jeremy B. Rudd & Karl Whelan, 2001. "New tests of the New-Keynesian Phillips curve," Finance and Economics Discussion Series 2001-30, Board of Governors of the Federal Reserve System (U.S.).
  13. Sergio A. L. Alves & Waldyr D. Areosa, 2005. "Targets and Inflation Dynamics," Working Papers Series 100, Central Bank of Brazil, Research Department.
  14. Antonio Alberto Mazali & José Angelo Divino, 2011. "Real Wage Rigidity andthe New Phillips Curve: the Brazilian Case," Anais do XXXVII Encontro Nacional de Economia [Proceedings of the 37th Brazilian Economics Meeting] 38, ANPEC - Associação Nacional dos Centros de Pósgraduação em Economia [Brazilian Association of Graduate Programs in Economics].
  15. Alexandre A. Tombini & Sergio A. Lago Alves, 2006. "The Recent Brazilian Disinflation Process and Costs," Working Papers Series 109, Central Bank of Brazil, Research Department.
  16. Steffen Henzel & Timo Wollmershäuser, 2006. "The New Keynesian Phillips Curve and the Role of Expectations: Evidence from the Ifo World Economic Survey," CESifo Working Paper Series 1694, CESifo Group Munich.
  17. Gunnar Bardsen & Eilev S. Jansen & Ragnar Nymoen, 2004. "Econometric Evaluation of the New Keynesian Phillips Curve," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 66(s1), pages 671-686, 09.
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