Authors’ bios:
Jan-Frederik Gräve (jan-frederik.graeve@uni-hamburg.de) is a research associate at the Institute of Marketing, University of Hamburg, Hamburg, Germany. His research focuses on influencer marketing, brand communication in social media and advertising endorsements.
Oliver Schnittka (oliver@sam.sdu.dk) is a professor of marketing and brand management at the University of Southern Denmark. He specializes in research on the quantitative analysis of consumer behavior in diverse industries, primarily using experimental research designs.
Carolin Haiduk (carolin.haiduk@uni-hamburg.de) is a research associate and doctoral candidate at the Institute of Marketing, University of Hamburg, Hamburg, Germany. Her work focuses on consumer buzz in social media, endorsement strategies and the marketing of hedonic products.