A biproportional filter to compare technical and allocation coefficient variations

Louis de Mesnard

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Abstract: In input-output analysis there are two alternate possibilities between Leontief's mechanism (fixed technical coefficients) and Ghosh's mechanism (fixed allocation coefficients). Testing the long term consistency of these mechanisms entails comparing input-output matrices over time. This paper challenges the value of proportional filters (separate comparison of column and row coefficients) and introduces the biproportional filter which allows simultaneous comparison of column and rows. An application is proposed using French input-output tables for 1980 and 1993. The stability of column coefficients cannot be taken for granted and generally, for any sector, both rows and columns coefficients are found to change simultaneously

Keywords: Input-Output; Demand-driven; Supply-driven; Change; Biproportion; RAS (search for similar items in EconPapers)
Date: 1997
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Citations: View citations in EconPapers (8)

Published in Journal of Regional Science, 1997, 37 (4), pp.541-564

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-00383934

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