Alleged horizontal agreement in the mobile telecom market

The Italian Competition Authority started an investigation into the retail market for mobile telecommunications services to assess whether mobile operators had coordinated their strategy with reference to a change in the billing cycle for mobile services imposed by a change in regulation.
According to the Authority, the operators all reacted to the change in regulation in a similar manner, raising concern of coordination. Lear developed an analysis in support of one of the operators, showing that its behaviour was consistent with individual and autonomous profit maximization