The current cultural norms with regard to sharing, cooperation, trust, and punishment are the result of 23 million years of evolution and adaptation. During most of those 23 million years, humans lived in small interactive groups and developed behaviors and strategies to promote cooperation and...

The results demonstrated in this chapter quite clearly the impact of property rights on the shared expectations about appropriate proposer behavior in both ultimatum and dictator games. If the game is presented as division (which by one definition means literally to separate into equal parts by...