1. Kinship, incentives and evolution;ALGER;American Economic Review,2009
2. ALGER , I. J. W. WEIBULL 2010 Evolutionarily stable altruism
3. The evolution of cooperation;AXELROD;Science,1981
4. On the evolution of altruistic ethical rules for siblings;BERGSTROM;American Economic Review,1995
5. Evolution of social behavior: Individual and group selection;BERGSTROM;Journal of Economic Perspectives,2002