运用成本收益分析法确定风险充分分散组合中股票的数量。
The well-diversified portfolio can been determined by the cost-benefit analyses.
分析研究采用专家法、无量纲化方法和加权分析法进行计算，得出理想成本及运行收益的数值。
By means of a comprehensive calculation which uses the expert method, no-dimension analysis and weighted analysis method reaches an ideal cost and operation income analysis result.
成本-收益分析法是提高金融监管有效性的分析框架。
Cost and benefit analysis is the approach to study how to improve the efficiency of financial regulation and supervision.
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