Peer influence through word-of-mouth (WOM) plays an important role in many information systems but identification of causal effects is challenging. We identify causal WOM effects in the empirical setting of game adoption in a social network for gamers by exploiting differences in individuals’...

Peer influence through word-of-mouth (WOM) plays an important role in many information systems but identification of causal effects is challenging. We identify causal WOM effects in the empirical setting of game adoption in a social network for gamers by exploiting differences in individuals'...

Recent interest in the Internet as a medium for commerce has raised questions about the usefulness of branding on the World Wide Web. Examines whether consumers use brands as sources of information when shopping on the Internet. Applying theory from the economics of information, predicts that...