To foster competition the French government authorized a fourth operator, lsquo;Free', to enter the country's mobile phone market at the end of 2009 alongside Orange, SFR and Bouygues Telecom (BT), who held respectively one-half, one-third and one-sixth of the market. By using a stylized model...

France Telecom (FT), SFR and Bouygues Telecom (BT) have been fined by France's Conseil de la Concurrence (CC) for organizing a mobile phone cartel with stable market shares (one-half, one-third and one-sixth respectively) and for directly exchanging commercial information. While not contesting...

Two elements are being presented in this paper: (1) A new and original method for analyzing matrix dynamics, called the synthetical biproportional projector method (SBP), which can be used to project input-output tables and compare one with another. (2) Some results for France for the important...