Deltas, Salvo and Vasconcelos (2011) develop a model of geographically separated markets with differentiated goods in which collusion (or merger to monopoly), by restricting trade relative to duopolistic competition, is beneficial for society and can be beneficial for consumers. In this chapter,...

In recent years, there has been growing international cooperation between national competition authorities (NCAs). This takes various forms – from bilateral cooperation to establishing transnational competition networks. At the same time, this process has not been accompanied by the...