[FRIAM] CAs and gang growth (William I. Newman)

[Marcus G. Daniels]

At least in this study there is an empirical result to shoot for (see 
page 28 of the talk below)

https://www.ipam.ucla.edu/publications/chs2007/chs2007_6818.pdf
>
>         In particular,
>         by equivalencing the recruitment of gang members in the sociological problem
>         with the planting of trees in the environmental problem, the observed
>         statistics of gang populations and their prevalence can be derived. 
>               
>