Table 1:
Payoffs of the evolutionary game with the government strong reciprocity.
Scenario
i
An agent in group B
Cooperation
Defection
An agent in group
A
Cooperation
U
Acc
+
r
,
U
Bcc
+
r
U
Acs
+
r
,
U
Bsc
–
p
Defection
U
Asc
-
p
,
U
Bcs
+
r
U
Ass
-
p
,
U
Bss
-
p