Crowdsourced online mean ratings of local businesses are increasingly being used to infer the market power of a business. An important consideration in making this inference is whether or not two identically rated businesses (e.g., 4-stars) encounter the same local competitive dynamics if they...

Im Rahmen dieser Dissertation werden hauptsächlich unterschiedliche Aspekte des Kaufverhaltens von Konsumenten auf elektronischen Märkten untersucht. In Herrmann, Kundisch und Rahman (2014) wird der Effekt der Delegierung von Entscheidungen an ein IT-Artefakt auf das Auftreten des...

Abstract: As online reviews play a decisive role in consumers' purchase decisions, e-commerce platforms are using review systems strategically to obtain a competitive advantage. However, the strategic potential can only be leveraged if the review system is designed appropriately. Research on the...

How does reviewing a consumption experience from a psychological distance affect one's online rating? Prior literature has found a positivity bias in the reviewing behaviors of consumers when they evaluate an experience from a spatial and/or temporal distance, e.g., a restaurant visit in another...