“…15 Despite the increased attention to "smart disclosure" (Garrison et al, 2012), there is little research examining the effects of campaign finance disclosure laws. A handful of recent studies have investigated the impact of group-sponsored advertising (Brooks & Murov, 2012;Johnson, Dunaway, & Weber, 2011;Pfau et al, 2007;Pfau, Park, Holbert, & Cho, 2001;Weber et al, 2012), but none address the effects of disclosure. Thus, despite the call for greater transparency in political advertising, we know little about whether voters are less likely to be persuaded by an ad when they know more about who is funding the attack (La Raja, 2007).…”