Missing measurements in econometric models with no auxiliary relations

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In this paper it is argued that maximizing the complete data (log) likelihood function with respect to the missing data and the unknown parameters will not improve the efficiency of the estimators but may affect consistency instead. If no auxiliary relations are available or additional assumptions are made, the maximum likelihood estimator based on the observed data is (asymptotically) the most efficient estimator.
Original languageEnglish
Pages (from-to)125-128
Number of pages4
JournalEconomics Letters
Issue number2
Publication statusPublished - 1993
Externally publishedYes


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