"International transportation experts compare and contrast how different nations have managed their airports and air traffic control systems to address congestion and delays, carrier competition, and air travel safety and how well they are meeting the needs of their people" - Provided by publisher

Groves-Ledyard (1977) constructed a mechanism attaining Pareto efficient allocations in the presence of public goods. After this path-breaking paper, many mechanisms have been proposed to attain desirable allocations with public goods. Thus, economists have thought that the free-rider problem is...