A review of theoretical studies on indirect reciprocity

I Okada - Games, 2020 - mdpi.com
Despite the accumulation of research on indirect reciprocity over the past 30 years and the
publication of over 100,000 related papers, there are still many issues to be addressed …

Conjoining uncooperative societies facilitates evolution of cooperation

B Fotouhi, N Momeni, B Allen, MA Nowak - Nature human behaviour, 2018 - nature.com
Social structure affects the emergence and maintenance of cooperation. Here, we study the
evolutionary dynamics of cooperation in fragmented societies, and show that conjoining …

Evolution of cooperation under indirect reciprocity and arbitrary exploration rates

FP Santos, JM Pacheco, FC Santos - Scientific reports, 2016 - nature.com
Cooperation has been recognized as an evolutionary puzzle since Darwin, and remains
identified as one of the biggest challenges of the XXIst century. Indirect Reciprocity (IR), a …

[HTML][HTML] A solution for private assessment in indirect reciprocity using solitary observation

I Okada, T Sasaki, Y Nakai - Journal of theoretical biology, 2018 - Elsevier
Although indirect reciprocity is a fundamental mechanism in the evolution of human
cooperation, most studies assume public assessment in which individuals are not permitted …

Picky losers and carefree winners prevail in collective risk dilemmas with partner selection

FP Santos, S Mascarenhas, FC Santos… - Autonomous Agents and …, 2020 - Springer
Understanding how to design agents that sustain cooperation in multi-agent systems has
been a long-lasting goal in distributed artificial intelligence. Proposed solutions rely on …

Indirect reciprocity undermines indirect reciprocity destabilizing large-scale cooperation

E Schnell, M Muthukrishna - Proceedings of the National …, 2024 - National Acad Sciences
Previous models suggest that indirect reciprocity (reputation) can stabilize large-scale
human cooperation [K. Panchanathan, R. Boyd, Nature 432, 499–502 (2004)]. The logic …

Tolerant indirect reciprocity can boost social welfare through solidarity with unconditional cooperators in private monitoring

I Okada, T Sasaki, Y Nakai - Scientific reports, 2017 - nature.com
Indirect reciprocity is an important mechanism for resolving social dilemmas. Previous
studies explore several types of assessment rules that are evolutionarily stable for keeping …

Combination with anti-tit-for-tat remedies problems of tit-for-tat

S Do Yi, SK Baek, JK Choi - Journal of Theoretical Biology, 2017 - Elsevier
One of the most important questions in game theory concerns how mutual cooperation can
be achieved and maintained in a social dilemma. In Axelrod's tournaments of the iterated …

Local stability of cooperation in a continuous model of indirect reciprocity

S Lee, Y Murase, SK Baek - Scientific Reports, 2021 - nature.com
Reputation is a powerful mechanism to enforce cooperation among unrelated individuals
through indirect reciprocity, but it suffers from disagreement originating from private …

Norms prioritizing positive assessments are likely to maintain cooperation in private indirect reciprocity

I Okada, H De Silva - Scientific Reports, 2024 - nature.com
Exploring the evolutionary mechanisms of cooperation in societies where reputational
consensus cannot be assumed, as in divided societies, is important for understanding the …