In this paper we propose that “norms-based” intellectual property systems exist and are an important complement to or substitute for law-based intellectual property systems. Normsbased IP systems operate on social norms that are held in common by members of a given community and specify the nature and extent of rights that a group member can assert to intellectual property. They also include pr...

The Internet and technologies have increased gambling opportunities globally, normalizing among young individuals. Youth are active users susceptible to group norms, but little is known about behavior norms in online interaction. This study examined if following perceived majority opinions content (i.e., ) interaction associated with youth problem gambling. Participants were 15–25-year-old yout...

When enforcing norms for cooperative behavior, human adults sometimes exhibit in-group bias. For example, third-party observers punish selfish behaviors committed by out-group members more harshly than similar behaviors committed by in-group members. Although evidence suggests that children begin to systematically punish selfish behavior around the age of 6 y, the development of in-group bias i...

Evolution of cooperative norms is studied in a population where individual and group level selection are both in operation. Individuals play indirect reciprocity game within their group and follow second order norms. Individuals are norm-followers, and imitate their successful group mates. Aside from direct observation individuals can be informed about the previous actions and reputations by in...

This study investigated children's evaluations of peer group members who deviated from group norms about equal and unequal allocation of resources. Children, ages 3.5 to 4 years and 5 to 6 years (N = 73), were asked to evaluate a peer group member who deviated from 1 of 2 group allocation norms: (a) equal allocation of resources, or (b) unequal allocation of resources. Most children negatively ...