集合的な知識取引の特性(<論文特集>「エコノフィジックス」)  [in Japanese] Characteristics of collective behavior of knowledge tradings(<Special Future>Econophysics)  [in Japanese]

In this paper, we propose knowledge transaction as a basic constitution of knowledge creation in an organization. Knowledge transaction among agents of having heterogeneous knowledge is formulated as knowledge trading games. Each agent has idiosyncratic utility function defined over his private knowledge and common knowledge shared with other agents. We consider two types of trading environments, the global market and the local market. We investigate what characteristics of an organization promote knowledge transaction or discourage to share common knowledge.