organizing a mobile phone cartel with stable market shares (one-half, one-third and one-sixth respectively) and for directly … cartel, BT was too small for it to be worth its while to join it; it is not necessary to exchange information directly to … assuming that the costs are kept the same when switching from Cournot competition to any form of cartel. We deduced that market …

the fourth operator’s costs are high, there will be no move from a three-way Cournot competition to a monopolistic cartel … of four because Orange experiences negative incentives; there will be no move from a monopolistic cartel of three to a … monopolistic cartel of four. 3) Moving from fourway Cournot competition to a partial cartel formed by Orange, SFR and Bouygues …

the fourth operator’s costs are high, there will be no move from a three-way Cournot competition to a monopolistic cartel … of four because Orange experiences negative incentives; there will be no move from a monopolistic cartel of three to a … monopolistic cartel of four. 3) Moving from fourway Cournot competition to a partial cartel formed by Orange, SFR and Bouygues …

organizing a mobile phone cartel with stable market shares (one-half, one-third and one-sixth respectively) and for directly … cartel, BT was too small for it to be worth its while to join it; it is not necessary to exchange information directly to … assuming that the costs are kept the same when switching from Cournot competition to any form of cartel. We deduced that market …