Wu, Jianhong; Zhu, Lixing - In: TEST: An Official Journal of the Spanish Society of … 21 (2012) 3, pp. 477-497
In this article, estimation of moments up to the fourth order of random effects and errors is first investigated for dynamic panel data models. Using the QR decomposition of a matrix, the moments of random individual effects and errors are estimated without affecting each other so that the...