Investigating the Effect of Perceived Product Portfolio Innovativeness on Consumers´ Brand Perceptions

Patrick Spieth, Tobias Roeth, Thomas Clauss, Christian Urhahn, Catherine Killen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Portfolio innovativeness has been indicated as a crucial aspect of a firm's innovation efforts. However, research traditionally applies a firm-centric conceptualization of portfolio innovativeness, neglecting its signaling effect to consumers. Taking a different route, this article applies a consumer-centric approach to investigate consumer perceptions of portfolio innovativeness as an antecedent of their brand perceptions. We incorporate inconsistent insights on portfolio innovativeness by introducing a novel construct: portfolio innovativeness variety. It describes the degree of novelty concerning different new products and services in a firm's innovation portfolio. Drawing on signaling theory, the results of 691 completed questionnaires show that consumers’ perceived portfolio innovativeness increases consumer-based brand equity. However, portfolio innovativeness variety moderates this relationship negatively. This article explores an inverted U-shaped relationship between portfolio innovativeness variety and brand equity. These insights suggest that large portfolio innovativeness variety confuses consumers about a brand's offerings and that portfolio management should incorporate these insights in order to offer a balanced and value-maximized innovation portfolio. This article offers novel insights into an unexplored aspect of portfolio innovativeness with complementary research on innovation portfolios from a consumer perspective.

Original languageEnglish
JournalIEEE Transactions on Engineering Management
Number of pages14
ISSN0018-9391
DOIs
Publication statusE-pub ahead of print - 2021

Keywords

  • (innovation) portfolio innovativeness
  • Brand equity
  • brand perceptions
  • Complexity theory
  • innovation portfolio
  • Portfolios
  • Receivers
  • signaling
  • Technological innovation
  • Uncertainty
  • Uniform resource locators
  • Veins

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