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Impact of Calendar Effects in the Volatility of Vale Shares

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  • Lucas Lucio Godeiro

Abstract

The paper aims to estimate the impact of calendar effects in volatility of the preferred and ordinary shares of Vale. The data researched were the stocks prices Vale between January 2, 1995 and October 26, 2011. The Stochastic Volatility Model(SV) was the Model and the Kalman Filter was the estimation method used. The results indicate that the privatization and the public offer of the stocks of Vale changed the behavior of volatility of the shares. The calendar effects have effect in volatility. The calendar effects had a greater explanatory power over the ordinary shares.

Suggested Citation

  • Lucas Lucio Godeiro, 2013. "Impact of Calendar Effects in the Volatility of Vale Shares," Journal of Finance and Investment Analysis, SCIENPRESS Ltd, vol. 2(3), pages 1-1.
    • Handle: RePEc:spt:fininv:v:2:y:2013:i:3:f:2_3_1
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    References listed on IDEAS

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    1. Harvey, Andrew C & Koopman, Siem Jan, 1992. "Diagnostic Checking of Unobserved-Components Time Series Models," Journal of Business & Economic Statistics, American Statistical Association, vol. 10(4), pages 377-389, October.
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    More about this item

    JEL classification:

    • C1 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General
    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • D53 - Microeconomics - - General Equilibrium and Disequilibrium - - - Financial Markets

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