We characterize the features of collusion involving retailers and their supplier, who engage in secret vertical contracts and all equally care about future profits (“vertical collusion”). We show such collusion is easier to sustain than collusion among retailers. The supplier pays retailers...

We characterize collusion involving secret vertical contracts between retailers and their supplier – who are all equally patient ("vertical collusion"). We show such collusion is easier to sustain than collusion among retailers. Furthermore, vertical collusion can solve the supplier's...

We examine the strategic behavior of leaders and followers in sequential duopoly experiments in which followers either perfectly observe the leaders' actions or else observe nothing. (...)

Several competition authorities consider the exemption of horizontal agreements among firms from antitrust liability if the agreements sufficiently promote public interest objectives such as sustainable consumption and production. We show that when consumers value sustainable products and firms...