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威廉·夏普
资本资产定价模型奠基人
威廉·夏普是诺贝尔经济学奖得主,以提出资本资产定价模型(CAPM)闻名,对现代金融理论和投资组合管理有深远影响。
The market portfolio is the only risky portfolio that all investors should hold.
市场组合是所有投资者都应持有的唯一风险组合。
威廉·夏普
In the long run, risk and return are related, but in the short run, they may not be.
长期来看,风险与收益相关,但短期内未必如此。
威廉·夏普
The capital asset pricing model was not intended to be a positive theory of what investors actually do, but rather a normative theory of what rational investors should do.
资本资产定价模型并非旨在描述投资者实际行为的实证理论,而是关于理性投资者应如何行事的规范理论。
威廉·夏普
The market portfolio is efficient if and only if all investors hold mean-variance efficient portfolios.
当且仅当所有投资者都持有均值-方差有效的投资组合时,市场组合才是有效的。
威廉·夏普
In the long run, risk and return are related. But in the short run, the relationship is often perverse.
长期来看,风险与回报是相关的。但在短期内,这种关系常常是反常的。
威廉·夏普
Diversification is both observed and sensible; a rule of behavior which does not imply the superiority of diversification must be rejected both as a hypothesis and as a maxim.
分散化既是被观察到的也是明智的;任何不隐含分散化优势的行为规则,无论是作为假设还是格言,都必须被拒绝。
威廉·夏普
The capital asset pricing model was not intended to be a positive theory of equilibrium in capital markets, but rather a normative theory of how prices should behave if investors acted in a certain way.
资本资产定价模型并非旨在成为资本市场的实证均衡理论,而是一种规范性理论,描述如果投资者以某种方式行事,价格应如何表现。
威廉·夏普
The essence of investment management is the management of risks, not the management of returns.
投资管理的本质是风险管理,而不是回报管理。
威廉·夏普
The market portfolio is the only portfolio that all investors should hold.
市场组合是所有投资者都应该持有的唯一组合。
威廉·夏普
In the long run, the risk of not taking risks may be the greatest risk of all.
从长远来看,不冒险的风险可能是最大的风险。
威廉·夏普
Diversification is the only free lunch in finance.
分散投资是金融中唯一的免费午餐。
威廉·夏普
The capital asset pricing model is a simple, yet powerful, tool for understanding the relationship between risk and return.
资本资产定价模型是一个简单而强大的工具,用于理解风险与回报之间的关系。
威廉·夏普