Exact Allocative and Technical Inefficiency Using the Normalized Quadratic Cost System

  1. Juan José Díaz Hernández 1
  2. Eduardo Martínez Budría 1
  3. Sergio Jara-Díaz 1
  1. 1 Universidad de La Laguna

    Universidad de La Laguna

    San Cristobal de La Laguna, España

    ROR https://ror.org/01r9z8p25

Estudios sobre la economía española. FEDEA

ISSN: 1696-6384

Year of publication: 2005

Volume: EEE 210

Pages: 1-30

Type: Article

More publications in: Estudios sobre la economía española. FEDEA


n this paper we have built a theoretical model using a normalized quadratic cost system to obtain expressions for actual input demand and cost as functions of three components: frontier, allocative and technical inefficiency. We have used the shadow prices approach in the line of exact decomposition that allows us to solve Greeneís problem. Using the normalized quadratic cost system has permited to isolate not only allocative inefficiency but also the technical one, as simple functions of both parameters and variables. The model allows us to obtain individual and time varying technical and allocative inefficency measures when a panel data is available. This model has been applied to cargo handling in Spanish ports.

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