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Econometric modeling of business Telecommunications demand using Retina and Finite Mixtues


Marinucci, Massimiliano y Pérez Amaral, Teodosio (2005) Econometric modeling of business Telecommunications demand using Retina and Finite Mixtues. [ Documentos de Trabajo del Instituto Complutense de Análisis Económico (ICAE); nº 0501, 2005, ]

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In this paper we estimate the business telecommunications demands for local, intra-LATA and inter-LATA services, using US data from a Bill Harvesting survey carried out during 1997. We model heterogeneity, which is present among firms due to a variety of different business telecommunication needs, by estimating normal heteroskedastic mixture regressions. The results show that a three-component mixture model fits the demand for local services well, while a two-component structure is used to model intra-LATA and inter-LATA demand. We characterize the groups in terms of their differences among the coefficients, and then use Retina to perform automatic model selection over an expanded candidate regressor set which includes heterogeneity parameters as well as transformations of the original variables.

Tipo de documento:Documento de trabajo o Informe técnico
Información Adicional:

JEL-Codes: C21, C51, C52.

Palabras clave:Telecommunication Demand Models, Local calls, Inter-LATA calls, intra-LATA calls, Retina, Flexible Functional Forms, Heterogeneity, Finite Mixtures
Materias:Ciencias Sociales > Economía > Econometría
Título de serie o colección:Documentos de Trabajo del Instituto Complutense de Análisis Económico (ICAE)
Código ID:7863

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Última Modificación:06 Feb 2014 07:56

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