It may discover the ways to controlling the information cost to look for the feature of the factor capital by entering the cost theory system. 进入成本理论系统寻找要素资本的特征和性质，可以发现信息成本的控制途径和方法。
Moreover, the option pricing theory is applied to the analysis of decision making of sequential investment including information cost. 给出了信息成本的分类和计量方法，利用期权理论与方法对有信息成本的序列投资决策进行了分析。
