Ballester, Coralio; Calvó-Armengol, Antoni; Zenou, Yves - Institute for the Study of Labor (IZA) - 2009
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Keywords: social networks, delinquency decision, key group, NP-hard problem,
crime policies
Corresponding … “key link” policy, in addition to the
“key player” policy; (iv) it shows that finding a “key group” is an NP-hard problem …