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Estimating technology in the postal sector: a Bayesian approach

机译:估计邮政部门的技术:贝叶斯方法

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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 Telegrafos, 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.
机译:本文的目的是研究以西班牙国家邮局和电报服务(Sociedad Estatal Correos y Telegrafos,S.A。,简称Correos)为代表的部门的技术,以下将其命名为。具体来说,我们分析了Correos的经济效率(技术和分配)并确定了生产单位(成本中心)的规模经济。为此,我们采用基于输入距离函数(即成本函数的对偶)的方法。此外,运用对偶理论,我们开发了一种经济模型来评估邮政基础设施对运营商成本的影响。为了执行经验模型,应用贝叶斯计量经济学来估计输入距离函数中的参数以及技术和分配效率项。

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