This paper uses a model of strategic interaction among firms – that set discriminatory and nonlinear prices – together with public information on prices of the plans marketed by the three major mobile phone companies, to assess the extent to which on-net and off-net price differentials in...

In September 2005, the Chilean Competition Authority filed a lawsuit against the 5 largest private health insurance providers for violation of antitrust laws, specifically accusing them of collusion in the coverage of the plans offered to consumers between March 2002 and March 2003. In fact,...

This paper both theoretically and empirically addresses how a vertical structure in the motion-pictures industry determines the number of prints a distributor releases of a new film. A simple theoretical model shows that the optimal number of copies is increasing on the expected demand for the...