merger is accepted with an attendant risk of collusion with the benchmark case in which competition is present ex-post. The … collude if a merger is rejected. In fact, firms can have incitations to make collusion ex-post (after a rejection of a merger …) whereas they would not make collusion ex-ante. All the papers on mergers and collusion tend to look at a minimal discount …

. We show that in the absence of hassle costs, MCCs might induce collusion in homogeneous markets even if they are adopted … only by few retailers. If hassle and implementation costs are mild, collusion can be enforced by BCCs with lump sum refunds …

first investigate the extent to which collusive agreements are feasible. Secondly, we focus on collusion sustainability in … an infinitely repeated game. We show that, regardless of the degree of cost asymmetry, at least some collusion is always … sustainable. Finally, the degree of collusion is also endogeneised to show that cooperation has an upper bound determined by the …