Figure 1
From: Transient nature of cooperation by pay-it-forward reciprocity

Schematic of the indirect reciprocity games.
(a) Pay-it-forward game. (b) Reputation-based game. Each participant received random three-letter names.
From: Transient nature of cooperation by pay-it-forward reciprocity
Schematic of the indirect reciprocity games.
(a) Pay-it-forward game. (b) Reputation-based game. Each participant received random three-letter names.