Rodrigo Carril studies the trade-off between rules and discretion in the context of US federal procurement.
If I call your Vodafone mobile from my Orange mobile, who should pay the cost of termination incurred by Vodafone? You, me, Orange or Vodafone? For that matter, which has the better business model – Europe with a “caller pays” system, or the US with an “everyone pays” system? Sjaak Hurkens and Angel L. López analyze an oligopoly of telecom networks to show how termination charges play a role in off-network usage and whether efficiency and profitability are achieved with current business models.