Doing so has raised a host of interesting issues, among them how to measure the skill, or alpha, of fund managers, and what an index is really for. “瘦身版”会产生很多非常有趣的问题,其中包括如何衡量基金经理的技能,行话又称“阿尔法”,以及某指数的真实成分。
This can be taken care of by a separate beta ( index tracking) mandate quite cheaply but that only illuminates by contrast the complexities of Seeking Alpha. 单独的beta(跟踪指数)回报能够以非常廉价的成本达到这一目标,但相比之下,这只会阐明寻求alpha回报的复杂性。
Tumor necrosis factor alpha ( TNF-α) and fasting plasma insulin ( FINS) were measured by RIA. HO-MA insulin resistance index ( HOMA-IR) and the liver histology were assayed. 用放射免疫法测定空腹胰岛素和肿瘤坏死因子(TNF)-α,计算胰岛素抵抗指数(HOMA-IR),并观察肝脏病理变化。
The Heritability Analysis of the Metabolic Syndrome Related Characters in Twins. Heritability Estimations of Bone Phenotypes and Relationship between Estrogen Receptor Alpha Gene and Bone Phenotype and Body Mass Index 双生子人群的代谢综合征相关指标的遗传度分析中国人群骨表型遗传率及雌激素受体Alpha基因与骨表型和体重指数关系的研究
Conclusion Ultrastructural changes of platelets in acute period of cerebral infarction were remarkable, especially a lack of alpha granules, this might be regarded as an objective index in the judgment of severity and prognosis of cerebral infarction. 结论脑梗死急性期血小板超微结构发生明显改变,尤其是α颗粒明显减少,可作为判断病情轻重及预后的一个客观指标。
Cronbach Alpha was 0.83 and acquired index related to general satisfactory rate and satisfactory rate of each item was 0.47~ 0.79 ( P < 0.01). 测得的总体满意度与各服务项目满意度的相关系数为0.47~0.79,P<0.001。
In terms of hepatoma, alpha fetoprotein ( AFP), with the highest specificity, is the main index to diagnose liver cancer and is widely applied to cancer screening, cancer diagnosing, evaluating therapeutic effect and predicting recurrence. 就肝癌而言,甲胎蛋白(AFP)仍是特异性最强的标志物和诊断肝癌的主要指标。现已经广泛用于肝细胞癌的普查、诊断和判断治疗效果、预测复发。
The alpha arbitrage strategy and the enhanced fund management strategy based on the compact index tracking model can make excess return for investors. 基于紧指数复制模型的ALPHA套利和加强型指数化投资基金可以为投资者带来超额回报。