Abstract Individuals' cognitive knowledge of their social networks is affected by systematic biases. This paper investigates the role of the mean degree bias , i.e. the tendency to underestimate the number of connections of others, in determining the structure of stable networks. It develops a...

Individuals learn by chit-chatting with others as a by-product of their online and offline activities. Social plugins are an example in the online context: they embed information from a friend, acquaintance or even a stranger on a web page and the information is usually independent of the...