Network Cycles and Welfare

Exploiting social influence in networks

“…An extensive literature on targeting and interventions in networks uses distinct modeling approaches. Ballester, Calvó‐Armengol, and Zenou (2006) studies “key” players whose removal induces the greatest change in equilibrium aggregate action; Talamàs and Tamuz (2017) and Galeotti, Golub, and Goyal (2020) consider welfare‐maximizing interventions; Bimpikis, Ozdaglar, and Yildiz (2016), Vohra (2020), and Sadler (2020b) consider influencing agents who update their beliefs in a DeGroot fashion.…”