Estimating technology in the postal sector: a Bayesian approach

José Baños and Ana Rodriguez-Alvarez

Applied Economics, 2016, vol. 48, issue 27, 2516-2529

Abstract: The aim of this article is to study the technology of the sector represented by the Spanish national post-office and telegraph service, Sociedad Estatal Correos y Telégrafos, S.A. trading as Correos , and denominated as such hereafter. Concretely, we analyse economic efficiency (technical and allocative) and scale economies of the production units (cost centres) of Correos . To do this, we employ a methodology based on an input distance function which is the dual of the cost function. Moreover, and applying duality theory, we develop an economic model to assess the effect of postal infrastructures on the operators’ costs. In order to carry out the empirical model, Bayesian econometrics is applied to estimate the parameters in the input distance function and the technical and allocative efficiency terms.

Date: 2016
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DOI: 10.1080/00036846.2015.1125429

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