In this paper, we tackle the dilemma of pruning versus proliferation in a vertically differentiated oligopoly under the …

tacit collusion or strong competition in dependence of additional security considerations …

interactions. The model we consider is a segmented-markets duopoly in which price-setting firms pool their incentive constraints … are sufficiently high, trade liberalization facilitates collusion. Exactly the opposite is true if, for any given degree … of product substitutability, trade costs are sufficiently low. We also study the dependence of multimarket collusion on …

innocuous communication and communication about a cartel, sanctioning only the latter. To this aim, we introduce a participant …

collusion and merely consumer rents are transferred, or both welfare and consumer rents are reduced. An all-inclusive cartel … as not all consumers are (always) served. We then lend our model to analyze collusion. We find that for any number of …

We run a market experiment where firms can choose not only their price but also whether to present comparable offers …

. 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 …

on firms' price setting behavior in a 2x2 factorial design experiment with and without communication and under present …, especially for the focus of cartel screening. …

information, our data confirm the well-known result that duopoly players achieve, on average, partial collusion. However, as soon …We conduct a series of Cournot duopoly market experiments with a high number of repetitions and fixed matching. Our …