Favoritism In Vertical Relationship: Input Prices And Access Quality
نویسندگان
چکیده
CIRANO Le CIRANO est un organisme sans but lucratif constitué en vertu de la Loi des compagnies du Québec. Le financement de son infrastructure et de ses activités de recherche provient des cotisations de ses organisations-membres, d'une subvention d'infrastructure du ministère de la Recherche, de la Science et de la Technologie, de même que des subventions et mandats obtenus par ses équipes de recherche. CIRANO is a private non-profit organization incorporated under the Québec Companies Act. Its infrastructure and research activities are funded through fees paid by member organizations, an infrastructure grant from the Ministère de la Recherche, de la Science et de la Technologie, and grants and research mandates obtained by its research teams. ASSOCIÉ AU :. Institut de Finance Mathématique de Montréal (IFM 2). Laboratoires universitaires Bell Canada. Réseau de calcul et de modélisation mathématique [RCM 2 ]. Réseau de centres d'excellence MITACS (Les mathématiques des technologies de l'information et des systèmes complexes) Les cahiers de la série scientifique (CS) visent à rendre accessibles des résultats de recherche effectuée au CIRANO afin de susciter échanges et commentaires. Ces cahiers sont écrits dans le style des publications scientifiques. Les idées et les opinions émises sont sous l'unique responsabilité des auteurs et ne représentent pas nécessairement les positions du CIRANO ou de ses partenaires. This paper presents research carried out at CIRANO and aims at encouraging discussion and comment. The observations and viewpoints expressed are the sole responsibility of the authors. They do not necessarily represent positions of CIRANO or its partners. Résumé / Abstract On étudie le favoritisme qui existe dans la relation verticale entre une firme à l'amont et plusieurs firmes à l'aval. On démontre que le favoritisme est le résultat de la maximisation de profit. On considère les questions suivantes. Premièrement, si la firme à l'amont peut fixer des prix différents pour le même produit qu'elle vend aux firmes à l'aval, est-ce qu'elle traite mieux les firmes qui sont moins efficaces? Deuxièmement, si la firme à l'amont peut offrir aux firmes à l'aval des niveaux de qualité d'accès à son réseau, est-ce que la qualité sera uniforme? La réponse à la première question dépend de l'aptitude de l'auto-provision des firmes à l'aval. Quant à la deuxième question, on montre que certaines firmes sont favorisées. Favoritism in vertical relationship is a situation in which an upstream firm sets favorable exchange conditions to some agents at the expense of …
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