Duopolio con costos de cambio y de retenciónEfectos sobre el excedente del consumidor y el bienestar social

  1. Carlos Pateiro-Rodríguez 1
  2. A. Javier Prado-Domínguez 2
  3. Jesús M. García-Iglesias 3
  4. José M. Barreiro-Viñán 4
  1. 1 Universidad de La Coruña Facultad de Economía y Empresa Departamento de Análisis Económico y Administración de Empresas
  2. 2 Universidad de La Coruña Facultad de Economía Departamento de Economía Aplicada I
  3. 3 Universidad de Extremadura Facultad de Empresariales y Turismo Departamento de Economía
  4. 4 Universidad de La Coruña Facultad de Economía Departamento de Análisis Económico y Administración de Empresas
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Revista:
Investigación económica

ISSN: 0185-1667

Ano de publicación: 2015

Volume: 74

Número: 292

Páxinas: 159-184

Tipo: Artigo

DOI: 10.1016/J.INVECO.2015.08.006 DIALNET GOOGLE SCHOLAR lock_openAcceso aberto editor

Outras publicacións en: Investigación económica

Obxectivos de Desenvolvemento Sustentable

Resumo

En un contexto de libre entrada analizamos los cambios que se producen en el excedente del consumidor y en el bienestar social, así como en las demás condiciones del equilibrio, cuando entra un competidor en un mercado monopolístico en el que existe una firma establecida. Abordamos el equilibrio en un modelo de duopolio asumiendo que el entrante sigue un único periodo de competencia en cantidades Cournot-Nash. Incorporamos los costos de retención al modelo de Klemperer (1988). El entrante, con el fin de atraer a un cliente, asume los costos de cambio de proveedor en que incurre el consumidor; la firma establecida asume los costos de retención para conservarlo. Suponemos una demanda lineal y costos marginales de ambas firmas constantes. Los resultados del trabajo son importantes para el análisis de las implicaciones sobre bienestar social de las políticas regulatorias. Realizamos una simulación del modelo teórico y confirmamos los resultados relevantes en términos de bienestar social, excedente del consumidor, beneficios y cantidades en monopolio y en duopolio con costos de cambio y con costos de cambio y de retención.

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Fonte de datos: Dialnet