根据马科维茨的定义，有效组合是指其单位收益的风险最小或单位风险的收益率最大。
Optimizing portfolio is that the least risk in an unit return or the most return in an unit risk on the basic definition of Markowitz.
针对我国的实际情况，论文研究了适合于风险规避型投资人计量其风险的马科维茨模型。
Aiming at Chinese actual situation, the paper studies a Markowitz's Model, which can be used to measure conservative investors' portfolio market risk.
以马科维茨的资产组合理论为指导，利用影响我国外汇储备变动的因素构建外汇储备的币种结构。
Based on Markowitz 'theory of asset portfolio, this paper constructs China's currency structure with factors influencing foreign exchange reserve.
从50年代初马科维茨提出证券组合理论开始，金融学进入了定量分析的阶段，这可以看作是金融数学的开端。
In the early 50's Markowitz advanced portfolio theory. From that time on, finance stepped into the stage of quantificational analysis, which can be regarded as the beginning of financial mathematics.
没结婚前，她是乔伊斯·马科维茨，1934年出生在纽约布鲁克林区。但显然打从她懂事以来，她就不怎么喜欢自己的犹太人身份。
She was born Joyce Markowitz in Brooklyn in 1934 but apparently disliked being Jewish from the earliest dawn of consciousness.
没结婚前，她是乔伊斯·马科维茨，1934年出生在纽约布鲁克林区。但显然打从她懂事以来，她就不怎么喜欢自己的犹太人身份。
She was born Joyce Markowitz in Brooklyn in 1934 but apparently disliked being Jewish from the earliest dawn of consciousness.
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