Steen, Frode; Sørgard, Lars - In: Foundations and Trends(R) in Microeconomics 5 (2010) 3, pp. 153-228
The notion 'semicollusion' refers to situations where firms collude in one (or several) choice variable(s) and compete in others. For example, firms collude on prices and compete on advertising. Although the notion 'semicollusion' is not so often used explicitly, it turns out that the topic is...