Introduction; 1. Entry barriers, personal relationships, and cartel formation: generic drugs in the United States Emily Cuddy, Robert H. Porter, Amanda Starc and Thomas G. Wollmann; 2. 'Now you are asking for a real war!' A case study on internal stability in a cartel in the private alarm market in Norway Kurt Brekke and Lars Sørgard; 3. The international air cargo cartel Zhiqi Chen; 4. The difference between price fixing and fixing competition: the Israeli 'Bread Cartel' Chaim Fershtman and Yossi Spiegel; 5. Informed sources and the role of platforms for facilitating anticompetitive communication David P. Byrne, Nicolas de Roos, A. Rachel Grinberg and Leslie M. Marx; 6. 'Collusion with non-express communication: retail gasoline in Norway' Joseph E. Harrington, Jr.; 7. Price wars: evidence from Quebec's retail gasoline industry Robert Clark, Marco Duarte and Jean-François Houde; 8. Coordinated rebate reductions and semi-collusion in the Swedish gasoline market Frode Steen and Lars Sørgard; 9. Predicting and preventing cartels in price-linked markets: the case of average bid auctions Francesco Decarolis; 10. The economics of the LCD cartel: organization, incentives, and practical challenges Dennis Carlton, Mark Israel, Ian MacSwain and Allan Shampine; 11. The Spanish raw tobacco cartel Thilo Klein, Helder Vasconcelos and Elena Zoido; 12. Price parallelism in the Greek steel market: evidence of a false cartel accusation Yannis Katsoulacos and Marc Ivaldi.