The r and s vectors of the RAS method of updating matrices are presented often as corresponding to an absorption effect and a fabrication effect. Here, it is proved that these vectors are not identified, so their interpretation in terms of fabrication and absorption effect is incorrect and even if a normalization was proposed to remove underidentification, this normalization fails and poses many difficulties.. Keywords : Input-Output ; RAS ; Biproportion
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Paper provided by LATEC, Laboratoire d'Analyse et des Techniques EConomiques, CNRS UMR 5118, Université de Bourgogne in its series LATEC - Document de travail - Economie (1991-2003) with number
2000-01.
Length: 17 pages Date of creation: Jan 2000 Date of revision: Publication status: published in The Annals of Regional Science, 2002, 36, 1, 139-144 et 2004, 38, 4, 741-749 Handle: RePEc:lat:lateco:2000-01
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