An operational, nonlinear input-output system
Guerra, Ana-Isabel (Universidad de Granada)
Sancho Pifarré, Ferran (Universitat Autònoma de Barcelona. Departament d'Economia i d'Història Econòmica)

Data:	2014
Resum:	We develop a scale-dependent nonlinear input-output model which is a practical alternative to the conventional linear counterpart. The model contemplates the possibility of different assumptions on returns to scale and is calibrated in a simple manner that closely resembles the usual technical coefficient calibration procedure. Multiplier calculations under this nonlinear version offer appropriate interval estimates that provide information on the effectiveness and variability of demand-driven induced changes in equilibrium magnitudes. In addition, and unlike linear multipliers, the nonlinear model allows us to distinguish between physical and cost effects, the reason being that the traditional dichotomy between the price and quantity equations of linear models no longer holds. We perform an empirical implementation of the nonlinear model using recent interindustry data for Brazil, China and United States. When evaluating the robustness of the derived marginal output multipliers and the induced costs effects under the nonlinear approach, the results indicate that marginal indicators in physical terms can be perfectly used to infer average impacts; this is not the case, however, for the derived costs effects where average measures are seen to be more adequate. At the computational level, the analysis proves the operational applicability of the nonlinear system while at the methodological level shows that scale effects are relevant in determining sectoral multipliers.
Ajuts:	Ministerio de Ciencia e Innovación ECO2009-11857 Agència de Gestió d'Ajuts Universitaris i de Recerca 2009/SGR-578
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Llengua:	Anglès
Document:	Article ; recerca ; Versió sotmesa a revisió
Matèria:	Nonlinear input-output ; Scale-dependent equilibrium ; General multipliers
Publicat a:	Economic modelling, Vol. 41 (2014) , p. 99-108, ISSN 1873-6122

DOI: 10.1016/j.econmod.2014.04.027

Preprint 29 p, 1.4 MB

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