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Aplicacion De Una Version Generalizada Del Lema De Shephard Con Datos De Panel Al Sistema Bancario Espanol

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  • Rafael Doménech Vilariño

    (Universitat de València)

Abstract

This paper applies a generally used version of Shephard's lemma using cost reduction hypothesis, in order to analyze the technology of the Spanish banking firms. Using data panel of the period 1986-1989, it analyzes scale economies at the firm level and office level, as well as the scope economies. Estimated cost functions include parametric corrections of variable inputs prices, taking into account the existence of adjustment costs, regulations in factor markets and possible measurement errors in their prices. El objetivo de este trabajo es aplicar una versión generalizada del lema de Shephard, utilizando la hipótesis de minimización de costes, para analizar la tecnología de las empresas bancarias españolas. Mediante el uso de un panel de datos correspondientes al periodo 1986-1989, se analizan las economías de escala a nivel de empresa y a nivel de oficina, así como las economías de diversificación de productos. Las funciones de costes estimadas incluyen correcciones paramétricas en los precios de los inputs variables, que tratan de tener en cuenta la existencia de costes de ajuste o de regulaciones en la contratación de estos factores, así como posibles errores de medida en sus precios.

Suggested Citation

  • Rafael Doménech Vilariño, 1991. "Aplicacion De Una Version Generalizada Del Lema De Shephard Con Datos De Panel Al Sistema Bancario Espanol," Working Papers. Serie EC 1991-06, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie).
  • Handle: RePEc:ivi:wpasec:1991-06
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    File URL: http://www.ivie.es/downloads/docs/wpasec/wpasec-1991-06.pdf
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