Advanced search Psychological ownership in social media influencer marketing Mandy Pick (Chair of Marketing, Otto von Guericke University Magdeburg, -- -- Purpose Social media, especially social media-based influencer marketing, has become an important factor in consumer decision-making. Studies have -- become an important factor in consumer decision-making. Studies have recently begun investigating how influencers affect consumer behaviour. Despite the increasing interest, the purpose of this study is to -- Despite the increasing interest, the purpose of this study is to examine influencers’ evaluation impact on consumer behaviour are scarce. -- -- An online study undertook research to gain further understanding. Specifically, the study examines the following: firstly, the impact of consumers’ perceived influencer credibility (IC), using the source credibility model in respect of purchase intention, attitude towards -- credibility model in respect of purchase intention, attitude towards advertising and product; secondly, the impact of the organizational behaviour concept psychological ownership (PO) on consumer behaviour by showing that the concept has significant positive effects on attitude -- -- towards the product and purchase intention like in prior research; thirdly, the perceived connection and relationship between the influencer and consumer to understand the relations. Findings -- -- determining purchase intention, attitude towards advertising and product, while contributing an instrument for transferring convincing messages, which increase the perceived connection to the influencer and the PO feeling for a product and, thus, influence consumer behaviour positively. -- -- Theories on source credibility and a connection to the PO concept allowed to develop a framework to assess the importance of IC and its influence on consumers’ perception of the products that influencers advertise to better understand the interactions in the influencer marketing context. -- -- * Consumer behaviour * Psychological ownership * Influencer marketing * Source credibility -- -- Citation Pick, M. (2020), "Psychological ownership in social media influencer marketing", European Business Review, Vol. 33 No. 1. https://doi.org/10.1108/EBR-08-2019-0165