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Inicio Cuadernos de Economía y Dirección de la Empresa CEDE Consideración de la heterogeneidad en el comportamiento de elección del consum...
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Vol. 10. Núm. 30.
Páginas 233-263 (Enero 2007)
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Vol. 10. Núm. 30.
Páginas 233-263 (Enero 2007)
Open Access
Consideración de la heterogeneidad en el comportamiento de elección del consumidor a través de modelos logit: enfoque paramétrico vs. semiparamétrico
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J.C. Gázquez Abad
, M. Sánchez Pérez**
* Profesor Asociado de Comercialización e Investigación de Mercados. Universidad de Almería. Departamento de Dirección y Gestión de Empresas.Facultad de Ciencias Económicas y Empresariales. Ctra. Sacramento s/n, 04120, La Cañada de San Urbano (Almería)
** Catedrático de Comercialización e Investigación de Mercados. Universidad de Almería. Departamento de Dirección y Gestión de Empresas.Facultad de Ciencias Económicas y Empresariales. Ctra. Sacramento s/n, 04120, La Cañada de San Urbano (Almería)
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Resumen

Uno de los grandes retos que el marketing afronta es llegar a comprender la diversidad de preferencias y sensibilidades que existen en un mercado. En este trabajo, analizamos el concepto de heterogeneidad y su tratamiento en los modelos de elección del con sumidor. Para ello, y tras realizar una revisión de la literatura que aborda el concepto y la inclusión de la heterogeneidad en los modelos de elección, proponemos una clasificación de las diversas formas de incorporación de dicho comportamiento heterogéneo. Posteriormente, y utilizando datos de escáner contrastamos un modelo logit sin heterogeneidad con algunas formas de tratamiento de este aspecto, contrastando cuál de ellos es estadísticamente más significativo. A partir de estos resultados extraemos las principales conclusiones e implicaciones para la gestión.

Abstract

One of the most important objectives in marketing field is to get a better understanding about consumer. In this paper, we have analysed the concept of heterogeneity and its treatment in consumer choice models. Following a review of the theoretical foundations and formulations about heterogeneity in consumer choice models, we proposed a classification of different kinds of heterogeneity. After this, and using scanner data we describe an empirical application in the context of consumer choice. Firstly, we developed a non heterogeneity MNL model. After that, we comparing it with a random effects model and with a latent segments ones. Results show that models which considered heterogeneity explain consumer choice behavior more eficiently. Finally, main contributions of the study are discussed.

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