Network hierarchies in the Internet are often not fixed: two providers can be simultaneously input supplier and retailer in a routing process, while being horizontally competing in another. We introduce a stylised network model capturing these aspects of the Internet to study the impact of...

The main body of the paper analyses the reasons and the nature of Corporation's remarkable growth during the economic reform years since the late 1970s in China.

This paper addresses the effects of multimarket contact on firms’ ability to collude. Real world imperfections tend to makes firms’ objective function strictly concave and market supergames ‘interdependent’: firms’ payoffs in each market depend on how they are doing in others. Then,...