← Search Econometrica Vol. 46 No. 6 1978 On the Existence of the Moments of 3SLS Estimators J. D. Sargan DOI10.2307/1913832 Volume46 Issue6 Pages1329 Sources semanticscholar bibtex:phds-export.bib crossref openalex Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓