Table 1. Definitions of parameters manipulated in the model.

Parameter	Definition
p0	Baseline (non-copycat) suicide rate
s	Social influence, i.e. the increase in p0 in response to another agent committing suicide
q	The magnitude of individual differences in suicide risk factors
h	Homophily, i.e. the extent to which agents in the same group share risk factors
cp	The probability that an agent is a prestigious “celebrity”
cs	Prestige bias, i.e. the increase in p0 in response to the suicide of a prestigious “celebrity” (replaces s)
m	Similarity bias, i.e. the number of binary risk factors (out of six) that a model and an observer must share in order for the former to exert social influence on the latter
r	One-to-many transmission, i.e. the radius of the circular area around a suicide agent across which social influence is exerted