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Price Rigidity in Brazil: Evidence from CPI Micro Data

  • Solange Gouvea
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    In this paper, I investigate the patterns of price adjustments in Brazil. I derive the main stylized facts describing the behavior of price setters directly from a large data set of the CPI price quotes spanning approximately ten years until 2006. I find that on average prices remain unchanged for 2.7 to 3.8 months, exhibiting, however, a large degree of product and sector heterogeneity. Data on the frequency and sign of price changes show that there is a strong symmetry between price increase and decrease. Conversely, as expected under a positive inflation environment, the magnitude of positive price changes compensates this effect. I also provide some insights on the determinants of the patterns of price adjustment. The average duration of price spells decreased when the economy was hit by a confidence shock before 2002 presidential elections. The inflation rate of 5.9 % in 2000, jumped to 7.7% in 2001 and hiked to 12.6 % in 2002. Results suggest that substantial disturbances to average inflation imposed a high enough cost of not adjusting prices and triggered more frequent price reviews.

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    File URL: http://www.bcb.gov.br/pec/wps/ingl/wps143.pdf
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    Paper provided by Central Bank of Brazil, Research Department in its series Working Papers Series with number 143.

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    Date of creation: Sep 2007
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    Handle: RePEc:bcb:wpaper:143
    Contact details of provider: Web page: http://www.bcb.gov.br/?english

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    8. Fajardo, J. & Farias, A., 2003. "Generalized Hyperbolic Distributions and Brazilian Data," Finance Lab Working Papers flwp_57, Finance Lab, Insper Instituto de Ensino e Pesquisa.
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    18. Benjamin Miranda Tabak & Solange Maria Guerra, 2002. "Stock Returns and Volatility," Working Papers Series 54, Central Bank of Brazil, Research Department.
    19. Sergio R. S. Souza & Benjamin M. Tabak & Daniel O. Cajueiro, 2008. "Long-Range Dependence In Exchange Rates: The Case Of The European Monetary System," International Journal of Theoretical and Applied Finance (IJTAF), World Scientific Publishing Co. Pte. Ltd., vol. 11(02), pages 199-223.
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    22. Alan Cosme Rodrigues da Silva & Eduardo Facó Lemgruber & José Alberto Rebello Baranowski & Renato da Silva Carvalho, 2007. "Análise da Coerência de Medidas de Risco no Mercado Brasileiro de Ações e Desenvolvimento de uma Metodologia Híbrida para o Expected Shortfall," Working Papers Series 142, Central Bank of Brazil, Research Department.
    23. Márcio I. Nakane & Leonardo S. Alencar & Fabio Kanczuk, 2006. "Demand for Bank Services and Market Power in Brazilian Banking," Working Papers Series 107, Central Bank of Brazil, Research Department.
    24. Araújo, Aloísio Pessoa de & Leon, Márcia Saraiva, 2003. "Speculative attacks on debts and optimum currency area: A welfare analysis," Economics Working Papers (Ensaios Economicos da EPGE) 514, FGV/EPGE Escola Brasileira de Economia e Finanças, Getulio Vargas Foundation (Brazil).
    25. Ryan A. Compton & Jose Ricardo da Costa e Silva, 2005. "Finance and the Business Cycle: a Kalman Filter Approach with Markov Switching," Working Papers Series 97, Central Bank of Brazil, Research Department.
    26. 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.
    27. Marcelo Kfoury Muinhos & Sergio Afonso Lago Alves, 2003. "Medium-Size Macroeconomic Model for the Brazilian Economy," Working Papers Series 64, Central Bank of Brazil, Research Department.
    28. Pedro H. Albuquerque, 2000. "An Information Theory Approach to the Aggregation of Log-Linear Models," Working Papers Series 4, Central Bank of Brazil, Research Department.
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