But it does illustrate the difficulty in making ethical investing decisions. 但它确实说明了在作出道德性投资决策方面存在的困难。
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。
