With the adjusted T-M model, we find that, during the whole research period, the funds show no positive ability of market timing. On the contrary, some funds show negative market timing ability. 修正的T&M模型实证结果表明我国证券投资基金在包含市场上升和下跌的整个区间,整体上不具有市场时机选择能力,相反,个别基金具有负的市场时机选择能力。
Adopting T-M, H-M models to analyzing managers 'securities selection ability, we find that managers own it to some extent, but it is not evident; 采用T-M模型、H一M模型对基金经理的证券选择能力进行分析,可以看到其具有一定的证券选择能力,但并不显著。
Valence electron structure of t-m martensite phase transformation interface of ZrO_ 2-base ceramics 氧化锆中相变和位错ZrO2基陶瓷的t&m马氏体相变异相界面电子结构
As for polyether PUA, a new hydrophilic diol ( T-M) was synthesized from trimethylol propane and maleic anhydride. 在聚醚型PUA中以三羟甲基丙烷和马来酸酐为原料,合成了一种新的亲水二元醇(T-M)。
At first the paper introduces the production technology and situation of carbon fibre production in China, then elaborates hardware configuration and software design SIEMENS T-M DCS to realize the process automation of carbon fibre production. 本文简介了碳纤维的生产工艺流程和我国碳纤维的生产情况,介绍使用西门子T&M集散控制系统控制碳纤维生产的硬件配置、软件设计,以及实现碳纤维生产过程自动化的情况。
This paper constituted a new sort of T-M model and H-M model, and found out that fund manager adjustment does not improve securities selection and market timing of funds in Chinese stock market. 通过构建修正的T-M模型和H-M模型并进行事件研究实证表明,在中国证券市场上基金经理调整未显著提高基金择股能力和择时能力,从而基金经理调整对基金绩效并没有显著改善。
As to the other factors, thesis carries on empirical tests. Using Jensen model, H-M model, T-M model to come back, get corresponding T test and P value. 对于基金的择时、择券、及风险贡献三个因素,论文进行实证分析,运用Jensen模型、H-M模型、T-M模型进行回归,得到相应的T检验及P值。
Surface roughening of Cu and Ta polycrystalline thin films deposited by magnetron sputtering at different homologous temperature T-s/ T-m ( T-s and T-m are the substrate temperature and the material melting point, respectively) have been studied using atomic force microscopy. 采用原子力显微镜研究了磁控溅射多晶薄膜表面粗化行为对归一化沉积温度Ts/Tm(Ts是沉积温度,Tm是材料熔点)的依赖性与薄膜生长方式转变行为。
Curing rate accelerates with the increase of ratio of PBA/ DMPA or PPG/ T-M. 同时随着PBA/DMPA或PPG/T-M北京化工大学硕士学位论文的比例的提高,固化速度加快;
Part II analyzes the behaviors of the T-M& A happening in the Listed Companies. 第二章对外资并购上市公司的行为、范围及运作方式进行分析。