In a repeated game with imperfect public information, the set of equilibria depends on the way that the distribution of public signals varies with the players' actions. Recent research has focused on the case of "frequent monitoring," where the time interval between periods becomes small. Here...

The introduction of artificially intelligent algorithms in pricing decisions by firms has triggered a literature in industrial organization asking if the use of these algorithms will lead to collusive outcomes. In a simple repeated game environment it is shown that if algorithms can be reliably...