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Title:Algunas observaciones acerca del uso de software en la estimación del modelo Half-Normal PDF Logo
Authors:Ortega Irizo, Francisco Javier
Gavilán Ruiz, José Manuel
Issue Date:2011
Citation:[Journal:] Revista de Métodos Cuantitativos para la Economía y la Empresa [ISSN:] 1886-516X [Volume:] 11 [Year:] 2011 [Pages:] 3-16
Abstract (Translated):Using the maximum likelihood method, in order to estimate Half-Normal stochastic frontier production models, entails several practical di±culties that, perhaps, have not been su±ciently emphasised. In employing FRONTIER software, we analyse the case in which the estimation obtained suggests the absence of random factors in the composite error term. We have proved that there are reasons to doubt the validity of the parameter estimates and especially of its standard errors. On the other hand, no estimation is obtained in the previous situation, with LIMDEP software, but an error message.
Subjects:stochastic frontier
deterministic frontier
maximum likelihood estimator
software FRONTIER
Document Type:Article
Appears in Collections:Revista de Métodos Cuantitativos para la Economía y la Empresa

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