The Prisoner’s Dilemma (PD) exhibits a “tragedy” in this sense: if the players are fully informed and rational they are condemned to a jointly dispreferred outcome. In this essay I address the following question: What feature of the PD’s payoff structure is necessary and sufficient to produce the tragedy? In answering it I use the notion of a “trembling-hand equilibrium”. In the final section I...

The advanced technologies of the converged network are going to change the economic nature of the telecommunication network, especially the Internet. The Internet of today is an example of common resources and is suffering the tragedy of commons problem, i.e., it is overused. However, as the new network technologies of the converged network progress, the Internet will change from a common resou...

What are the differences between experiences that people consider spiritual and experiences that they consider enjoyable? Participants were asked to provide autobiographical narratives of either spiritual or enjoyable experiences, and the two types of narratives were compared. In Study 1 (n= 142), the differences between the narratives was established via judge-based thematic content analysis. ...