To foster competition the French government authorized a fourth operator, '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 of...

Using France as our main example, we show there is a much scope for improving the SCImago ranking. We detect problems of nomenclature, double affiliation, aggregation and of bias toward large public-funded research organizations. The output per scholar is more important than the output per...

The general aim of this paper is to show that even the simplest economic models may be largely trivial. One discusses how a value input-output model can be derived from a physical input-output model. In the physical input-output model, variables are physical quantities and prices and in the...

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...

The Talmud Division is a very old method of sharing developed by the rabbis in the Talmud and brought to the fore in the modern area some authors, among them are Aumann and Maschler. One compares the Talmud Division to other methods, mainly here the most popular, Aristotle’s Proportional...