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Les théories de la demande de raccordement téléphonique

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  • Nicolas Curien
  • Michel Gensollen

Abstract

[fre] Les théories de la demande de raccordement téléphonique. . L'article consiste en une discussion de modèles élaborés dans les années 1970 pour rendre compte de la diffusion du service téléphonique. Ces modèles font jouer un rôle essentiel à l'externalité positive de consommation qui est associée à la croissance d'un réseau de communication : le réseau étant d'autant plus utile qu'il est plus étendu, il croît par effet « boule de neige », attirant en son sein des individus dont le revenu est de plus en plus faible. L'étude dynamique et statique de ce processus de diffusion montre l'existence d'un nombre impair de tailles d'équilibre pour le parc téléphonique, alternativement stables et instables. Les différents modèles originellement apparus dans la littérature sont d'abord commentés en détail, puis on développe à partir de cette matière les fondements micro-économiques d'une théorie intégrée de la demande d'accès à un réseau de télécommunication. [eng] Revue économique. ECONOMETRIC MODELS OF TELECOMMUNICATIONS FIRMS : A SURVEY ferenc Kiss, bernard lefebvke. The 15-year history of aggregate econometric models of American and Canadian télécommunications firms is outlined. Nearly forty models of AT&T and Bell Canada are examined in some détail. The survey concludes that thé econometric models succeeded in producing robust empirical évidence on fundamental économie characteristics of télécommunications firms, such as those associated with factor demand, factor substitution, économies of scale and technological changes. Attention is drawn to thé économie similarities of AT&T and Bell Canada. The most impor­tant failure of thé surveyed econometric models is identified as their inability to quantify various forms of internai économies. Expected directions of future research are described.. THE THEORETICAL APPROACH TO PRICING AND COST ALLOCATION FOR TELECOMMUNICATION SERVICES. david encaoua., michel moreaux. This paper reviews some économie principles concerning pricing policy and cost allocating methods in télécommunications. It focuses on thé links between sustai-nable market priée equilibria and public pricing rules. The first part is devoted to questions of allocative efficiency and equity. Allocative efficiency is investigated under thé second best analysis framework, while equity is related to thé search af some cross subsidy free priées. Average cost pricing rules in thé case of multi-product activities are also investigated. The second part is devoted to properties of non uniform priées and gives some numerical simulations of welfare gains associated to différent pricing rules.. TELEPHONE ACCESS AND USAGE :. JOINT MODELIZATION AND OPTIMAL PRICING. nicolas curien. An integrated micro-économie modelization is developped, in order to discuss thé main characteristics of téléphone demand and to dérive optimal pricing rules. Téléphone demand is described as a joint demand for two commodities : (i) optional usage (made possible by access to thé network), and (ii) actual usage. It is shown that expectations of future usage do influence individual décisions of access and network equilibrium. Revenues of thé télécommunication firm and user's surplus are calculated at equilibrium, disclosing thé positive externality which is brought to thé existing subscribers when a new one is connected. There also exists a usage externality due to thé utility yielded by incoming téléphone calls. Making simple assumptions on network costs, thé impact of thé access and usage externalities on optimal pricing is discussed : first and second best priées are successively examined and compared to thé priées which would be set by a profit maximizing unregulated monopoly.. 550

Suggested Citation

  • Nicolas Curien & Michel Gensollen, 1987. "Les théories de la demande de raccordement téléphonique," Revue Économique, Programme National Persée, vol. 38(2), pages 203-256.
  • Handle: RePEc:prs:reveco:reco_0035-2764_1987_num_38_2_408980
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    References listed on IDEAS

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    1. Roland Artle & Christian Averous, 1973. "The Telephone System as a Public Good: Static and Dynamic Aspects," Bell Journal of Economics, The RAND Corporation, vol. 4(1), pages 89-100, Spring.
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    Cited by:

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    3. Amira Saidi & Ati Abdessata, 2013. "Access and Communication Pricing and Club Effect," International Journal of Business and Social Research, MIR Center for Socio-Economic Research, vol. 3(12), pages 48-64, December.
    4. Amira Saidi & Ati Abdessata, 2013. "Access and Communication Pricing and Club Effect," International Journal of Business and Social Research, LAR Center Press, vol. 3(12), pages 48-64, December.

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