More usefully, the data also suggest that banks could use an improving Sharpe ratio over time as a measure that indicates a trader has developed a skill worth paying for.
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- 更有用的一点是,我们的数据也表明,银行可以根据夏普比率随着时间推移而提高的程度,来判断一名交易员是否掌握了与薪酬相称的技能。