This article investigates the fundamental value of digital platforms, such as Facebook and Google. Despite the transformative nature of digital technologies, it is challenging to value digital services, given that the usage is free of charge. Applying the methodology of discrete choice...

The third chapter investigates the relevance of ethnicity in mate selection in Switzerland. Specifically, it examines whether people in Switzerland have same-ethnic mate preferences. Furthermore, it examines the importance of ethnicity relative to other characteristics, such as education level...