Deman S, 1988, "Stability of supply coefficients and consistency of supply-driven and demand-driven input - output models" Environment and Planning A 20(6) 811 – 816
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Stability of supply coefficients and consistency of supply-driven and demand-driven input - output models
Received 8 December 1986; in revised form 18 April 1987
Abstract. The motivation behind this paper is to review the debate on inconsistencies in and growing concern over the validity of a supply-driven model as an alternative to the Leontief demand-driven model for interindustry analysis.
Both the Leontief demand-driven and the Ghoshian alternative supply-constrained allocation specification are critically discussed. Various claims and counterclaims have been addressed in the literature available on this issue.
A general condition is derived for consistency between the two approaches, and a theorem is stated in which greater confidence is provided in the use of the supply-driven model for interindustry analysis.
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