This paper analyzes the effect of transaction costs on the social learning in an asset market with asymmetric information, sequential trading and competitive price mechanism. Both fixed and proportional transaction costs reduce the informational content of trading orders and lead to informational cascades. If transaction costs are very high, an informational cascade can occur not only when beli...

BACKGROUND Informational support to family members of ICU patients has significant potential for reducing their psychological distress, enabling them to better cope and support the patient. OBJECTIVES To describe family member perception of informational support, anxiety, satisfaction with care, and their interrelationships, to guide further refinement of a local informational support initiat...

For money-like informational commodities the notions of architectural adequacy and evolutionary adequacy are proposed as the first two stages of a moneyness maturity hierarchy. Then three classes of informational commodities are distinguished: exclusively informational commodities, strictly informational commodities, and ownable informational commodities. For each class money-like instances of ...

This paper presents a design method of decentralized systems with informational connection. The informational connection in this paper denotes a event link which establish a signal links among physical controlled plants via communication network. A dynamic transition of informational connection among decentralized systems is considered and the mathematical structures are discussed using a conce...

Today information can be globally shared via the Internet and can be accessible from anywhere in the world. The increasing complexity and size of the WWW urges the need of more effective mode for information processing techniques such as information retrieval and filtering, information summarization, topic segmentation, data mining and information discovery, etc. All of them can be fundamentall...