We consider a monopolistic supplier's optimal choice of wholesale tariffs when downstream firms are privately informed about their retail costs. Under discriminatory pricing, downstream firms that differ in their ex ante distribution of retail costs are offered different tariffs. Under uniform...

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...

Lack of transmission capacity hampers the efficient integration of the European electricity market, and thereby precludes reaping the full benefits of competition. We investigate to what extent the expansion of the transmission grid promotes competition, efficiency, and welfare. This work...

The emergence of smart TV device encourages the reconsideration of the customer’s subscription on the pay TV so that the phenomenon of cord-cutting evokes the other dimension of MVPD (Multi-Channel Video Programming Distribution) industry itself. Two major paths to adopt the new platform in...

The paper provides an analysis of the second-degree price discrimination problem on a monopolistic two-sided market. In a simple framework with two distinct types of agents on market side 1, we show that under incomplete information the extent of platform access for high-demand agents is...