On the weighted maximum likelihood estimator for endogenous stratified samples when the population strata probabilities are unknown
Ramalho, E.A., J.J.S. Ramalho
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(2007)
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"On the weighted maximum likelihood estimator for endogenous stratified samples when the population strata probabilities are unknown"
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Applied Economics Letters
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14
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171-174
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CEFAGE Author(s)
Esmeralda de Jesus Ratinho Lopes Arranhado Ramalho
Joaquim José dos Santos Ramalho
Abstract
The popular weighted maximum likelihood estimator for endogenous stratified samples requires knowledge on the population proportions of each stratum. In this paper we extend their estimator for cases where such information is not available.