← Search Econometrica Vol. 49 No. 2 1981 Double k-Class Estimators of Coefficients in Linear Regression Aman Ullah; Sami Ullah Western University DOI10.2307/1913335 Volume49 Issue2 Pages554 Sources bibtex:phds-export.bib semanticscholar 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 ✓