Abstract: Applying information technology can save transaction costs and coordination costs, affect theboundaries of firms. Based on the theory of transaction cost, it shows that, as to the firms in developed industries and those in developing industries, different natures result in different effects of the cost saving, and therefore different changes in boundaries of them.

Key words: information technology, transaction cost, coordination cost, boundary of firms

摘要： 信息技术应用节约了企业的交易成本和协调成本,影响了企业边界的变动。基于交易成本理论的分析表明,对于在成熟行业和新兴行业经营的企业来说,其有关性质上的差异影响了信息技术应用带来的成本节约效果,从而使企业的边界发生了不同方向的变动。

关键词: 信息技术, 交易成本, 协调成本, 企业边界