“…On one hand, it may bolster in-group ties and fortify trust (e.g., Collins et al, 2014; Reynolds, 2013). On the other hand, it may foster insularity and intolerance toward out-groups (e.g., Rhodes, 2012; Veugelers et al, 2015). Indeed, as noted in Putnam (2007), the very features of bonding social capital that were viewed positively in some lights—in-group solidarity, for example—also had deleterious side effects, especially within diverse contexts, such as the tendency to “hunker down” and withdraw from civic life.…”