The paper discusses the respective roles of competition policy and sector-specific regulation for industries such as telecommunications, electricity, and gas, in which network infrastructures that are natural monopolies serve as essential facilities for anybody who wants to provide services in...

We analyze the bargaining problem of an incumbent firm and a union when the wage contract becomes generally binding. Our main application relates to competition among operators of mail delivery networks. We describe the Deutsche Post case which highlights the raising rivals' costs incentive and...