beta risk 中文意思是什麼
beta risk
解釋
貝他風險-
Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return
在理論分析時，作者嘗試放鬆指數水平滿足隨機遊走過程的假設，推導出指數水平呈線性趨勢的資產組合選擇模型；此外，作者基於資產不可交易這一假設，提出了b股、 h股和非流通股等情形的資產定價模型，並基於系數、標準差、標準半方差、平均絕對離差和風險價值等風險度量指標以及流通市值、換手率、短期歷史收益率等因素變量提出了四因素資產定價模型。 -
Tracking error forecasts, risk attribution, beta analysis
追蹤誤差預測風險歸屬beta分析。 -
Beta is a measurement of correlation between the price fluctuations of individual security ( or portfolio ) and the average price fluctuations of all securities in the market, that is called " systematic risk coefficient ". beta has not only important implications in finance theory, but also widely used in investment practices such as asset pricing, portfolio management and performance valuation
一方面，系數是正確理解資本市場理論中有關收益?風險關系的關鍵參數，系數的穩定與否對于capm模型在投資決策方面的應用如資產定價、股票收益預測和投資績效評價至關重要;另一方面，資本市場上的許多事件研究也都依賴于系數的穩定性。 -
Objective : to study the frequency of have beta - cell specific autoantibody markers in women with gestational diabetes mellitus ( gdm ) and to follow these women to estimate the risk of later development of type 1 diabetes
目的：研究在妊娠糖尿病（ gdm ）婦女胰腺-細胞特異性自身抗體標志物表達率並隨訪評估繼后發生1型糖尿病風險。 -
Study of beta carotene supplements in smokers shows no benefit and possible increased risk of lung cancer
吸煙者補充胡羅卜素的研究證實無益處並可能增加肺癌的風險 -
Beta risk measurement
貝塔風險系數測定 -
They found that those taking vitamin a, vitamin e or beta carotene supplements had an increased risk of dying an at early age
他們發現那些補充維生素a ，維生素e或胡蘿卜素的人較早死亡的風險更大。 -
Conclusion there were no overall effects of ascorbic acid, vitamin e, or beta carotene on cardiovascular events among women at high risk for cvd
結論：維生素c ，維生素e ， ?胡蘿卜素在女性心血管疾病高危群中預防心血管事件沒有全面效應。 -
Further analysis showed that only itamin a, itamin e, and beta carotene seemed to increase the risk of death, not itamin c or selenium
更進一步的分析表明，只有維生素a 、維生素e和-胡蘿卜素似乎可增加死亡風險，而維生素c和硒則無此作用。 -
To assess risk level, check these three factors : the fund ' s biggest quarterly loss, which will help you brace for the worst ; its beta, which measures a fund ' s volatility against the s & p 500 ; and the standard deviation, which shows how much a fund bounces around its average returns
關于如何判斷風險水平，請參照以下三個要素:基金每季度的最大損失，這能幫助你做好最壞的打算;貝塔系數，它能反映基金相對標準普爾指數的波動程度;標準差，這能夠顯示一個基金圍繞其平均收益上下搖擺的幅度。
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