
This paper generalizes the Durbin-Watson type statistics to test the OLS residuals from the fixed effects model for serial independence. Also generalized are the tests proposed by Sargan and Bhargava for the hypothesis that the residuals form a random walk. A method for efficient estimation of the parameters is also developed. Finally, an earnings function is estimated using the Michigan Survey of Income Dynamics in order to illustrate the uses of the tests and the estimation procedures developed in this paper.
survey of income dynamics, tests of serial correlation, Linear regression; mixed models, Monte-Carlo methods, tests for random walk residuals, Durbin-Watson type statistics, panel data, fixed effects model, Statistical methods; economic indices and measures, OLS residuals, Applications of statistics to economics, GLS estimator
survey of income dynamics, tests of serial correlation, Linear regression; mixed models, Monte-Carlo methods, tests for random walk residuals, Durbin-Watson type statistics, panel data, fixed effects model, Statistical methods; economic indices and measures, OLS residuals, Applications of statistics to economics, GLS estimator
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