Table S1.

Default parameters in the Moran process simulations

Parameter	Description	Value
$s$	Value of stolen good	$Uniform(0,10)$
$c$	Cost of punishment	$Uniform(0,10)$
$p$	Damage inflicted by punishment	$Uniform(s,s+20)$
$N$	No. of rounds per game	5,000
$K$	No. of agents in population	100
$w$	Selection intensity	$\frac{1}{1,000}$
$\mu$	Mutation rate	0.05