エージェントベースアプローチによる移動環境下における相対取引の特性の解析(<論文特集>「エコノフィジックス」)

概要

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Bilateral trading is a business of buying or selling commodities between two persons or groups. Bilateral trading is gaining importance with the growing rate of Internet, especially in distributed computing such as peer to peer computing and mobile agent technology. However, its value is underestimated compared with market trading. In this paper, we analyze the characteristic traits of bilateral trading under mobile society using Agent Based Approach. Agent Based Approach is one of the the powerful and general methodology for studying highly heterogeneous populations. In agent based approach, we grow the collective behaviors from bottom-up. Our model consists of environment and agents. Environment is a spatial distribution of commodities that agents must get to survive. Agents can obtain commodities by harvesting or trading. The purpose of the agents is to maximize their utilities. Compared with market trading, the efficiency of bilateral trading is investigated. Through the computer simulation, we confirm that introducing the ability of strategic manipulation has an large effect on bilateral trading. In such cases, utility of the whole society with bilateral trading is greater than that of the whole society with market trading.
日本シミュレーション学会の論文
2002-06-15