This paper combines factor demand functions and price equations derived from a Generalized Leontief cost function with the traditional input - output price model. At the first level of aggregation Generalized Leontief cost functions for the factors intermediate input and labour are set up for...

The advent of digital television has triggered a revolution in the use of radio spectrum worldwide and in particular in Europe, where the digital switchover, meaning the migration process from analogue to digital broadcasting, has led to two major consequences on spectrum use. First of all,...

In Italy, fixed telecommunications were liberalised 15 years ago, but the incumbent is still the dominant operator. The Italian antitrust authority has recently fined Telecom Italia for margin squeeze and technical sabotage, proving that the incumbent still has the incentive and the power to...