Key points are not available for this paper at this time.
Rafa M. Kasim, Stephen W. Raudenbush, Application of Gibbs Sampling to Nested Variance Components Models with Heterogeneous Within-Group Variance, Journal of Educational and Behavioral Statistics, Vol. 23, No. 2 (Summer, 1998), pp. 93-116
Kasim et al. (Thu,) studied this question.