← Search Econometrica Vol. 40 No. 5 1972 Extensions of the ZKD Model: A Comment James P. Gander DOI10.2307/1912089 Volume40 Issue5 Pages943 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 ✓