Sasaki, Tatsuya; Uchida, Satoshi; Okada, Isamu; … - In: Games 15 (2024) 2, pp. 1-16
Indirect reciprocity is one of the major mechanisms driving the evolution of cooperation in human societies. There are two types of indirect reciprocity: upstream and downstream reciprocity. Cooperation in downstream reciprocity follows the pattern ‘You helped someone, and I will help you’,...