Negatives in symmetric inpout-output tables: The impossible quest for the holy grail

Louis de Mesnard

LEG - Document de travail - Economie from LEG, Laboratoire d'Economie et de Gestion, CNRS, Université de Bourgogne

Abstract: In the Supply-Use (or Make-Use) input-output model, “product-technology” (PT) or “fixed-industry-sales-structure” (FISS) assumptions are more widely adopted (SNA, Eurostat) for deriving symmetric input-output tables (SIOT) than “industry-technology” or “fixed-product-sales-structure” assumptions, but generate negatives in the SIOT. A SIOT deduced from the Supply-Use model is considered as satisfactory as soon as it contains no more negatives: scholars have focused on the negatives in the SIOT and on how to remove them. However, as a SIOT may include no negatives even if there are some negatives in the inverse Supply matrix, we have completely reversed the reasoning. A counter-example demonstrates that computing the inverse Supply matrix, as imposed by PT or FISS assumptions, is mathematically a nonsense operation even when the SIOT does not include any negative; this result is new. Hence, deriving a SIOT under PT or FISS assumptions must be rejected. Three applications are provided: Austria 2000 and 2005 and USA 2007.

Keywords: Input-Output; Supply-Use; Make-Use; Product technology; SIOT; SNA; Eurostat (search for similar items in EconPapers)
JEL-codes: C67 D57 (search for similar items in EconPapers)
Pages: 34 pages
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Related works:
Journal Article: Negatives in symmetric input–output tables: the impossible quest for the Holy Grail (2011)
Working Paper: Negatives in symmetric input-output tables: The impossible quest for the holy grail (2009)
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Persistent link: https://EconPapers.repec.org/RePEc:lat:legeco:e2009-12

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