Data is often at the core of digital products and services, especially when related to online advertising. This has made data protection and privacy a major policy concern. When surfing the web, consumers leave digital traces that can be used to build user profiles and infer preferences. We...

Intellectual property rights are fundamental to how economies organize innovation and steer the diffusion of knowledge. Copyright law, in particular, has developed constantly to keep up with emerging technologies and the interests of creators, consumers, and intermediaries of the different...

Many factors may explain a musician's popularity, e.g. talent, promotional activities, word of mouth etc. While most research has focused on the importance of promotion, no academic work so far has explicitly tackled the impact of live performances on artist popularity. We aim at fi lling this...

Tracking online user behavior is essential for targeted advertising and is at the heart of the business model of major online platforms. We analyze tracker-specific web browsing data to show how the prediction quality of consumer profiles varies with data size and scope. We find decreasing...

Sampling poses an interesting problem in markets with experience goods. Free samples reveal product quality and help consumers to make informed purchase decisions (promotional effect). However, sampling may also induce consumers to substitute purchases with free consumption (displacement...

Große digitale Plattformen wie Amazon, Apple, Facebook, Google und Microsoft haben die technischen Möglichkeiten, umfangreiche Daten ihrer NutzerInnen zu sammeln. Beim Surfen im Internet kann dies durch das Laden kleinerer Programme und Identifikatoren wie Cookies geschehen, die das Beobachten...