The imposition of universal coverage and uniform pricing constraints, as part of the universalservice obligations, makes the universal service provider less aggressive in the price game when itcompetes with a firm that does not cover the whole set of markets (Valletti et al., 2002). In...

In the French urban public transport industry, services are often delegated to a private firmby the mean of a fixed-term regulatory contract. This contract specifies the duties of thefirm and a financial compensation. When it expires, a new contract is awarded, possibly toa different operator....

We analyse a (differentiated good) industry where an incumbent firm owns a networkgood (essential input) and faces potential competition in the (downstream) retailmarket. Unlike the traditional approach, we consider a scenario where the decision tocompete or not in the downstream segment is...