Human cooperation, fairness, strong reciprocity

What Percentage of Our Ancestors Were Men? the Most Underappreciated Fact About Men! (PDF 2.18 MB)
Keynote address at the Eighth International Conference on Complex Systems (ICCS 2011), June 26 - July 1, 2011, Boston Marriott, Quincy, MA, USA (http://www.necsi.edu/events/iccs2011)

Healthy Finance and Healthy Living, Challenges and Solutions (PDF 2,1 MB)
Opening Keynote Address at the Brain-to-Society Diagnostic Project: Open Collaboration for a Science of the How to Lead, Manage and Govern Complexity for the 21st Century, Aligned with the Limit and Power of Human Biology, 2nd International Roadmap Development Workshop in Search of Common Metrics, Methods and Models For Complex Collaboration and Innovation To Ensure Sustainable Healthy Eating. Hosted by the McGill World Platform for Health and Economic Convergence, 29-30 September 2010, Centre Mont-Royal, 2200 Mansfield Street, Montreal, Canada. 

Quantum theory of decision making: A solution for 9 different paradoxes (PDF 458 KB)
presented by Vyacheslav Yukalov in the seminar series "Modeling Complex Socio-Economic Systems and Crises", Zürich, 28 Octobre 2008
http:\\www.soms.ethz.ch/teaching/colloquium08_pv

Cooperation by Evolutionary Feedback Selection in Public Good Experiments (PDF 1.9MB)
Invited seminar in the department of Political Sciences at UCSD, San Diego, USA, December 5, 2007, invited by Mat McCubbins
(http://mccubbins.ucsd.edu)

Cooperation by Evolutionary Feedback Selection in Public Good Experiments (PDF 1.9MB)
Invited seminar in the series Selected Challenges in the Social Sciences: Modeling and Simulation Approaches", November 20, 2007, 17:00-19:00 in room ETZ 8
http://www.trafficforum.org/ETH_colloquium, organized by Prof. Dirk Helbing, ETH Zurich, http://www.soms.ethz.ch/

Cooperation by Evolutionary Feedback Selection in Public Good Experiments (PDF 3.2 MB),
Forschungsseminar zu experimenteller Wirtschaftsforschung
Seminar presented at the Institute for Empirical Research in Economics, Faculty of Economics, Friday 23 March 2007, 12:00-13:00h
http://www.iew.unizh.ch/seminars/index.en.html

Why do we have a big brain? Discrete Hierarchical Organization of Social Group Sizes (PDF, 5 MB),
presented at the EXYSTENCE Topical Workshop on "Trust-Based Networks and Robustness in Organisations'', 13-15 March 2006, Zurich, Switzerland