July 07, 2006 article Open access Evolution of cooperation by multilevel selection Proceedings of the National Academy of Sciences DOI: 10.1073/pnas.0602530103 Full text (OA) OpenAlex Authors 0 Author list not loaded yet. Cited by 2 stored of 986 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access Intergroup Competition Promotes Intragroup Cooperation: A Meta-Analysis of Social Dilemmas 2026 Personality and Social Psychology Bulletin review Social Sciences Experimental Behavioral Economics Studies Open access 1 citations Reciprocity evolves more readily in competitive than cooperative socio-ecologies 2025 Proceedings of the Royal Society B Biological Sciences article Social Sciences Evolutionary Game Theory and Cooperation Open access 1 citations 2 results References 0