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Sustitución entre factores de producción y cambio técnico en la industria manufacturera peruana


  • Cabezas Vega, Luis A.


This study analysis substitution possibilities among factors of production and technical change in the Peruvian Manufacturing Industry. To explore the effects of prince variations on factors demand, a traslong model following Berndt and Wood (1975) is applied based on a cost function. The cost function is used to derive demand equations for capital, labor, energy and materials inputs, which are the used to establish substitution relationships, estimate price-elasticities of demand and test technical changes bias for each factor of production. The empirical results indicate that price variations have low effects on factors demand, low substitution possibilities among factors of production, and that technical change is capital saving but energy using.// Este estudio analiza las posibilidades de sustitución entre factores de producción y el cambio tecnológico en la industria manufacturera peruana. Siguiendo a Berndt y Word (1975), los efectos de variaciones de los precios en la demanda de factores se exploran utilizando un modelo de demanda de energía translogarítmica basado en una función de costos, de la cual se derivan ecuaciones de demanda del capital, trabajo, energía y materias primas que son empleadas para establecer relaciones de sustitución, estimar elasticidades-precio de demanda y determinar los efectos del cambio técnico en cada factor de producción. Los resultados empíricos indican la existencia de pocas posibilidades de sustitución entre factores de producción, limitaciones en los precios para afectar la demanda de factores, y el cambio tecnológico es sesgado hacia el ahorro de capital pero es intensivo en el uso de energía.

Suggested Citation

  • Cabezas Vega, Luis A., 1997. "Sustitución entre factores de producción y cambio técnico en la industria manufacturera peruana," El Trimestre Económico, Fondo de Cultura Económica, vol. 0(256), pages 513-530, : octubre.
  • Handle: RePEc:elt:journl:v:64:y:1997:i:256:p:513-530

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