Baltagi, Badi H.; Jung, Byoung Cheol; Song, Seuck Heun - In: Journal of Econometrics 154 (2010) 2, pp. 122-124
This paper considers a panel data regression model with heteroskedastic as well as serially correlated disturbances, and derives a joint LMÂ test for homoskedasticity and no first order serial correlation. The restricted model is the standard random individual error component model. It also...