← Search Econometrica Vol. 27 No. 2 1959 The Aggregation Problem in Input-Output Analysis Kenjiro Ara DOI10.2307/1909446 Volume27 Issue2 Pages257 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 ✓