There is ample evidence that the number of players can have an important impact on the cooperation and coordination behavior of people facing social dilemmas. With extremely few exceptions, the literature on cooperation assumes common knowledge about who is a player and how many players are...

Rapid technological developments in online markets fundamentally change the relationship between consumers and sellers. Online platforms can now easily gather data about the consumer and his search behavior, that allow for price discrimination. Therefore the consumers' product search becomes a...