We develop a model of information exchange through communication and investigate its implications for information aggregation in large societies. An underlying state determines payoffs from different actions. Agents decide which others to form a costly communication link with incurring the...

Although it has become commonplace for users and organizations alike to regularly collaborate during the seeking, searching, retrieval and use of information, a definitive work on the behaviors, practices, and systems that enable this collaborative information behavior has been lacking. This...