| 单词 | portfolio selection | 
| 释义 | > as lemmasportfolio selection   portfolio selection  n. ΚΠ 1952    Jrnl. Finance 7 77 		(title)	  				Portfolio selection. 2004    Jrnl. Portfolio Managem. 		(Nexis)	 22 Sept. 103  				Several alternatives to the Sharpe ratio for optimal portfolio selection have been proposed such as the minimax ratio, the stable ratio, the mean absolute deviation ratio, [etc.]. < as lemmas  | 
	
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