Optimal Tag-Based Cooperation Control for the “Prisoner’s Dilemma”

Table 1

Payoffs of the cooperator, defector, and group under different.

	Cooperator’s payoff	Defector’s payoff	Group’s payoff
with	4.581	0	3.618
with	5.111	0	4.203
No TBC	−18.993	0.719	0.208