In the early days of nationalization, it seemed axiomatic that price and quality standards could be better managed by State Owned Enterprises (SOE). Subsequent experience, however demonstrates that public ownership and control are different as the challenges of imposing effective public...

Subsahara-Afrika gilt als Musterregion für hohe Wachstumsraten der Mobilfunk-Nutzung. Zwischen 2000 und 2011 haben mehr als 500 Millionen Menschen in der Region Zugang zu Mobilfunknetzen erhalten, schätzt die Internationalen Fernmeldeunion (ITU). Ihr zufolge sind von 2005 bis 2010 die mobilen...

This paper focuses on the problems posed by the uniform price and market cream skimming in a context in which the incumbent is restricted asymmetric prices and products and analyzes the risks of a graveyard spiral process. We point that the price elasticity of demand, the brand loyalty and the...

Preisgarantien im Einzelhandel scheinen auf den ersten Blick Ergebnis eines intensiven Wettbewerbs zu sein. Theoretische Analysen und empirische Studien zeigen jedoch, dass dies in der Regel nicht der Fall ist. Preisgarantien und hier vor allem Garantien, bei denen mehr als die Differenz zu...

Taking as a reference a model in which there are a public firm, a national private firm and a foreign private one, it is analyzed both mergers sustainability and their relative effects on welfare. It is proved that the merger between the public firm and either the national or the international...

The aim of this paper is to complement the existing literature on horizontal mergers, by setting a Cournot mixed oligopoly model. Specifically, the merger paradox is qualified by proving that a merger could be profitable for the merging firms even if it does not include most market firms....

This paper analyzes wage negotiation between firms and unions when crossparticipation exists at ownership level. We consider two shareholders and two firms: one firm is jointly owned by the two shareholders and the other is owned by a single shareholder. Labor is unionized and the firms produce...

This paper is about a model of Bertrand competition in a homogeneous-good market with free entry of identical firms and variable returns to scale. If the optimum number of active firms in the market is two or more, and the number of active firms is equal to that optimum number, then Bertrand...