ネットワーク・ゴミ箱モデル--コミュニケーションコストのネットワーク構造と評判への影響 (特集エージェント・ベースト・モデルの社会学的展開)

概要

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This paper extends the Garbage Can Model of Cohen et al. (1972) by introducing network structures between participants and its dynamics. Given a network structures, if there are large communication costs among participants, then the network structure affects the efficiency of organizations. In this case, participants occupying more central positions have more experiences of solving problems. In contrast, network structures that impose no communication costs have lesser influence on efficiency, and participants occupying more central positions have less experiences of solving problems. Such a situation affects the result of the dynamics of network formation. Large communication costs promote the formation of multiple centered stars, with the number of centers depending on the maximum number of links that participants can form. In contrast, network structures that impose no communication costs promote the formation of only one or two centers, but even if two participants have the same large number of links, one participant has the highest experience of solving problems and the other has the lowest one. Thus, when experience of solving problems increases network participants' reputations in the organization, the situation arises that participants having the same social capital have differing reputations. This difference arises from the organization's social condition and social dynamics, even if homogeneous agents are assumed.