In many collective action settings, such as decisions on public education or climate change mitigation, actions of a group have welfare consequences for themselves as well as their followers. We conduct laboratory experiments with two-stage predecessor-follower prisoners' dilemma and...

We survey experimental research on multi-unit auctions with an emphasis on topics that may be of a unifying interest to experimental, as well as theoretical and empiri- cal economists. Topics include static and dynamic multi-unit auctions; combinatorial auctions and efficient auction design;...

Political conflicts have been extensively studied by political scientists, but criminal conflicts have received much less attention, especially by theorists in the field. Focusing on the latter type of conflict, we address why an individual crime across an ethnic or tribal border can lead to...

The problem of order is addressed by considering the crucial role that social groups play in mediating between individuals and the state. We argue that existing individualistic models of anarchic order cannot account for order in large societies, while state-centered models cannot explain the...

Political conflicts have been extensively studied by political scientists, but criminal conflicts have received much less attention, especially by theorists in the field. Focusing on the latter type of conflict, we address why an individual crime across an ethnic or tribal border can lead to...