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.
When migrants enter a new country, do they bring their family planning practices with them? Looking at birth certificate data, Libertad Gonzalez shows that some immigrant populations known to have son-biased birth ratios in their home country also have biased birth ratios in Spain.
Substantial investments have been made in Spain’s transport infrastructure. Teresa Garcia-Milà and José G. Montalvo investigate the effect of highway construction between 1984-2000 on job creation and business creation, not finding a convincing impact.
Caterina Calsamiglia and Antonio Miralles show that the common mechanisms for allocating children according to their preferences may be limited whenever there are coarse priorities to break ties.