Feedback effect of brand extension in cable networks established by parent newspaper brands: applying expectation disconfirmation theory

Abstract

In the present study, we constructed a new research model to understand the feedback effects of brand extension by applying expectation disconfirmation theory to a real-world case of brand extension among South Korean newspapers. We found that the feedback effect was significant in brand extension efforts between the newspaper and broadcast industries. In addition, the relationships between evaluations of the extension brand and the parent brand were mediated by variables defined by expectation disconfirmation theory, including perceived performance and expectation disconfirmation. We also found that expectation disconfirmation can affect evaluations of the parent brand regardless of the perceived fit. Finally, we verified that expectation disconfirmation differs according to the level of perceived fit.

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