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Waltenrath, A. (2024). Consumers’ Ambiguous Perceptions of Advertising Disclosures in Influencer Marketing: Disentangling the Effects on Current and Future Social Media Engagement. Electronic Markets, 34, Article No. 8.
https://doi.org/10.1007/s12525-023-00679-8

has been cited by the following article:

• TITLE: Sponsorship Disclosure on Instagram: A Systematic Review of Research from 2020 to 2025

  AUTHORS: Busye Uysal, Melanie Fernandes, Anna Luiza Shakhmurzaeva

  KEYWORDS: Sponsorship Disclosure, Sponsorship Transparency, Influencer Marketing, Influencer Credibility, Parasocial Relationships

  JOURNAL NAME: Advances in Literary Study, Vol.14 No.1, January 15, 2026

  ABSTRACT: Research on sponsorship disclosure in social media influencer marketing has grown rapidly, yet findings remain inconsistent. This study reviews 37 articles published between 2020 and 2025 to identify the main factors shaping consumer responses to disclosure. The analysis draws on experiments, surveys, qualitative studies, and computational approaches, focusing primarily on Instagram but also considering other platforms. Results show that disclosure outcomes depend on mechanisms such as persuasion knowledge, transparency perceptions, and parasocial relationships, as well as on message design, audience characteristics, and cultural context. While disclosures often lower short-term engagement and brand attitudes, they can strengthen trust and credibility over time. The review highlights key gaps, including reliance on short-term experimental designs, limited cross-cultural perspectives, underrepresentation of platforms, focusing only on Instagram, and insufficient attention to algorithmic barriers.