Scientific Reports · 2026
Individual and collective gains from cooperation and reciprocity in a dynamic-network Prisoner's Dilemma driven by extraversion, openness, and agreeableness
D. Abián, J. Bernad, S. Ilarri, and R. Trillo-Lado
An agent-based study of how Extraversion, Openness, and Agreeableness shape partner choice, reciprocity, inequality, and collective welfare in an evolving Prisoner’s Dilemma network. High initial willingness to cooperate combined with history-sensitive response yields systems that are more prosperous, fairer, and safer.















