1. Introduction. Part I - Individual Level: 2. Effects of Information Structure in a Step-Level, Public-Good Dilemma under a Real-Time Protocol 3. Towards an Analysis of Cooperation and Fairness that Excludes Concepts of Cooperative Game Theory. 4. How do We React to Feedback in Social Dilemmas? 5. A New Look at the Theory of Social Value Orientations: Prosocials neither Maximize Joint Outcomes nor Minimize Outcome Differences but Prefer Equal Outcomes Part II - Group Level 6. A Classification of Games by Player Type 7. A Recursive Model for Changing Justice Concerns in Social Dilemmas 8. Group-Based Trust and Cooperation in a Sequential Dilemma 9. Effects of Uncertainty in the Give- or Take Some (GOTS) Game Part III - Societal Level 10. Will Lessons from Small-Scale Social Dilemmas Scale Up? 11. The Emergence of Generalized Exchange via Indirect Reciprocity 12. Effectiveness of Coercive and Voluntary Institutional Solutions 13. Sheep, Mouton or Kivsa? Does Culture Influence Cooperation in Social Dilemmas? 14. Resurrecting the Leviathan in Social Dilemma Research 15. Towards a Comprehensive Model of Social Dilemmas 16. Promoting Cooperation in Social Dilemmas via Fairness Norms and Group Goals 17. Using Genetic Algorithms for the Study of Social Dilemmas