MIT Press

Table 1

Baseline parameter settings.

Parameter	Value
Benefit of cooperating, B	0.9
Cost of cooperating, C	0.1
Base growth rate, ρ₀	2
Mutation rate, μ	0.001
Variance of normal distribution used for mutations on h- and r-traits, σ	0.1
Number of groups,N_g	50

Parameter	Value
Benefit of cooperating, B	0.9
Cost of cooperating, C	0.1
Base growth rate, ρ₀	2
Mutation rate, μ	0.001
Variance of normal distribution used for mutations on h- and r-traits, σ	0.1
Number of groups,N_g	50