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AN EFFICIENT LINEAR GMM ESTIMATOR FOR THE COVARIANCE STATIONARY AR(1)-UNIT ROOT MODEL FOR PANEL DATA
Kruiniger, Hugo, (2007)
Efficient estimation of panel data models with strictly exogenous explanatory variables
So Im, K., (1999)
Efficient Estimation of Dynamic Panel Data Models Under Alternative Sets of Assumptions.
Ahn, S.C., (1993)