riskreturn analysis 收益分析
riskreturn tradeoff 风险收益抉择
It found out that the results were quite different in different constraints and different time intervals, but their riskreturn features were all superior to the general market portfolios.
研究发现，在不同约束条件和不同时间区间下，最优资产配置不尽相同，但其收益-风险特征均优于市场组合。
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