“…Concealed carry permit holders predominantly reside in areas with higher per-capita incomes (Costanza & Kilburn, 2004;Hood & Neeley, 2000). Thus, if counties with lower per-capita incomes generally have higher levels of violent crime (Morenoff & Sampson, 1997), but lower permit rates, then failing to control for the economic well-being of counties might lead to a spurious negative relationship between permit rate and crime (Kovandzic & Marvell, 2003 Population density has been linked to protective gun ownership (Giblin et al, 2011) and concealed carry permits in rural areas (Costanza, Kilburn, & Miles, 2013;Thompson & Stidham, 2010).…”