In the context of an infinitely repeated Prisoners' Dilemma, we explore how cooperation is initiated when players communicate and coordinate through their actions. There are two types of players - patient and impatient - which are private information. An impatient type is incapable of...

In the context of an infinitely repeated Prisoners.Dilemma, we explore how cooperation is initiated when players signal and coordinate through their actions. There are two types of players - patient and impatient - and a player's type is private information. An impatient type is incapable of...

This article considers a Mann-Whitney test of distributional effects in a multivalued treatment. Specifically, we first show that, under the unconfoundedness condition, the counterfactual distributions are weighted averages, with weights satisfying some moment restrictions. We estimate the...