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REGRESSION THEORY WHEN VARIANCES ARE NON-STATIONARY.
HANSEN, B.E., (1990)
CONDITIONAL MOMENT TESTS WITH EXPLICIT ALTERNATIVE.
CAMERON, A.C., (1990)
KIMBALL'S INEQUALITY AND BOUNDS TESTS FOR COMPARING SEVERAL REGRESSIONS UNDER HETERSKEDASTICITY.
DUFOUR, J.M., (1990)
Computation of the GLS estimator of a model with anticipated and unanticipated effects
Higgins, M.L., (1994)
Information matrix test, parameter heterogeneity and arch : A synthesis
Bera, A.K., (1991)
Robust tests for heteroskedasticity and autocorrelation using score function
Bera, A.K., (1992)