← Search The Review of Economics and Statistics Vol. 50 No. 2 1968 Block-Angularity in Input-Output Matrices B. Kopcow; J. Rabinovich DOI10.2307/1926207 Volume50 Issue2 Pages284 Sources semanticscholar openalex crossref 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 ✓