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On the weighted maximum likelihood estimator for endogenous stratified samples when the population strata probabilities are unknown
Ramalho, Esmeralda, (2007)
Heteroskedasticity Testing Through Comparison of Wald-Type Statistics
Murteira, José, (2011)
Bias-Corrected Moment-Based Estimators for Parametric Models Under Endogenous Stratified Sampling
Ramalho, Esmeralda, (2006)