“…However, a limitation of that study is that the author did not consider the possible spillover effect on the parent brand that could lead to dilution. In contrast, a stream of research has investigated the extent to which an extension affects the equity of the parent brand (Keller & Sood, ), where one tactic in extending a brand is to avoid ‘‘diluting’’ the parent brand's equity, which can lead to negative effects (Boisvert, ; Keller & Sood, ; Knapp, Hennig‐Thurau, & Mathys, ; Milberg et al., ; Ng, ). This is particularly true when the extension's associations are considered inconsistent with the parent brand's meaning and primary equity (Milberg et al., ; Pullig, Simmons, & Netemeyer, ; Roedder John, Loken, & Joiner, ).…”