Beside the traditional Leontief demand-driven model, there is the Ghosh supply-driven model. This paper explores the typology of the possible models: demand driven models versus supply driven models, true prices versus latent (or index) prices, coefficients in physical terms versus coefficients in value. This demonstrates that the supply-driven model offers results of limited interest, being incapable to separate quantities and prices; and it is only when a very strange hypothesis is chosen -- demand prices, controlled by the buyer -- that the supply-driven model gives an interesting result with a separation between quantities and prices in the solution, becoming the dual of the Leontief model..
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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
2001-09.
Length: 20 pages Date of creation: Jun 2001 Date of revision: Handle: RePEc:lat:lateco:2001-09
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Find related papers by JEL classification: C67 - Mathematical and Quantitative Methods - - Mathematical Methods and Programming - - - Input-Output Models D46 - Microeconomics - - Market Structure and Pricing - - - Value Theory D57 - Microeconomics - - General Equilibrium and Disequilibrium - - - Input-Output Tables and Analysis