“…A number of studies have examined event-related spillover, but these studies has been conducted outside of a co-branding context and findings have been somewhat contradictory. Specifically, studies have found negative spillover to the competition from negative events (e.g., Borah & Tellis, 2016;Cleeren, Dekimpe, & Helsen, 2008;Cleeren, van Heerde, & Dekimpe, 2013;Dahlén & Lange, 2006;Kashmiri, Nicol, & Hsu, 2017;Roehm & Tybout, 2006), to strategic partners (e.g., Till & Shimp, 1998;Um, 2013;Votolato & Unnava, 2006;Zhou & Whitla, 2013) and in the same portfolio (e.g., Borah & Tellis, 2016;Lei, Dawar, & Lemmink, 2008;Liu & Shankar 2015;Sullivan, 1990;Zhang & Taylor, 2009), whereas others did not detect any spillover to competing companies or brands (Sullivan, 1990). A positive spillover of negative information for competitive brands has even been found (Zhao, Zhao, & Helsen, 2011).…”