Lei / Law. Brazil: Diário Oficial da União. doi/ Brazil. ( Dezembro de ). Lei No. de 31 de Dezembro de Lei n. , de 31 de dezembro de Dispõe sobre a Política e as Instituições monetárias, bancárias e creditícias. Cria o Conselho Monetário Nacional e dá. Among these results, which have been measured by the success of de- .. Lei No. , de 31 de dezembro de , D.O. de art 18 [hereinafter.

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Reproduction and distribution subject to the 455 of the copyright owners. Review of Applied Socio-Economic Research, 4 2 Research Discussion Papers, Bank of Finland. Journal of econometrics, 54 On a measure of lack of fit in time series models.

How sure are we that economic time series have a unit root?


Relevance of uncertainty on the volatility and trading volume in the US Treasury bond futures market. Co-integration and error correction: Better the devil you know: Testing the null hypothesis of stationarity against the alternative of a unit root: Time Series Management System – v2.

Do Political News Affect Financial Market Returns? Evidences from Brazil

This paper investigates the relation between political news and market returns. Distribution of residual autocorrelations 19964 autoregressive-integrated moving average time series models. Journal of the American statistical association, 74 a Notwithstanding there were news like important politician been arrested and even speculation about the beginning of an impeachment process, we found relation between abnormal volatilities and political news only in Ibovespa returns during Presidential Elections.

An analysis dezdmbro variance test for normality complete samples. Testing the financial market informational efficiency in emerging states. Biometrika, 65 2 The influence of political incumbency on Australian financial market uncertainty.

Journal of the American statistical Association, 65 Empirical Economics, 49 1 Research in International Business and Finance, 33 C Central Bank of Brazil. Dr Nelson Seixas dos Santos.


Distribution of the estimators for autoregressive time series with a unit root. A review of theory and empirical work. Banco Central do Brasil: Central Bank of Brazil: The journal of Finance, 25 2 Financial markets and the response of monetary policy to uncertainty in South Africa.

Then we looked for periods of abnormal volatility which might be associated with political events using a parametric and a nonparametric method. Generalized autoregressive conditional heteroskedasticity. Journal of econometrics, 31 3 ,