has more than 20 years of varied experience in accounting and finance from large corporations and emerging companies.
, 1996, Empirical Econometric Modelling: Using Pc Give for Windows.
Os testes de normalidade bivariada (Doornik
& Hansen, 2008) e de normalidade univariada de Shapiro-wilks foram significativos, indicando nao normalidade em todos os setores e periodos, isto impossibilita a avaliacao da significancia estatistica destas correlacoes, por isso os p-valores foram omitidos.
, (1994): An Omnibus Test for Univariate and Multivariate normality, Discussion paper, Nuffield College, Oxford University.
JA (2007) Object-Oriented Matrix Programming Using Ox.
The algorithm proposed by de la Torre for performing this estimation is largely similar to that described in detail for the DINA model (de la Torre, 2009), and is written in Ox (Doornik
Using the Doornik-Hansen test (DOORNIK
; HANSEN, 2008), we found that the variables used in this paper rejected the null hypothesis of multivariate normality (p = .000).
To test for normality of distribution of error term Doornik
Hansen, DH (1994) test will be used.
Initially, data were tested in relation to the univariate and multivariate normality, through Shapiro-Wilk test (Shapiro & Wilk, 1965) and symmetry and multivariate kurtosis tests (Mardia, 1970; 1980) (with modifications proposed by Doornik
& Hansen, 2008 omnibus test), respectively.
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