Doris, Aedın; Donal O’Neill; Sweetman, Olive - In: Stata Journal 11 (2011) 3, pp. 439-459
In this article, we discuss generalized method of moments estimation of the covariance structure of longitudinal data … method of moments approach in this context. The program, gmmcovearn, estimates a variety of models that encompass those most … on earnings, and we introduce and illustrate a Stata program that facilitates the implementation of the generalized …