We examine the effectiveness of the individual-punishment mechanism in larger groups, comparing groups of four to groups of 40 participants. We find that the individual punishment mechanism is remarkably robust when the marginal per capita return (MPCR), i.e. the return to each participant from...

This paper focuses on the relationship between public action and access to public goods. It begins by developing a simple model to capture the various mechanisms that are discussed in the theoretical literature on collective action. We use the model to illustrate the special assumptions embedded...