While the rules governing the formation of groups engaging in collective action may have significant impact on group size and behavior of members, most experiments on public goods have been conducted with the subjects in fixed groups or of fixed sizes. We study endogenous formation of groups in...

We analyse and empirically examine a multi-level common-pool resource (CPR) game consisting of a collective-choice level game and an operational-level game. In the collective-choice game, participants anonymously propose allocation rules to be used in the operational game and vote anonymously on...

A growing number of field and experimental studies focus on the institutional arrangements by which individuals are able to solve collective action problems. Important in this research is the role of reciprocity and institutions that facilitate cooperation via opportunities for monitoring,...