悬赏 10 个论坛币 已解决
【作者(必填)】William F. Sharpe and Robert Litterman
【文题(必填)】Past, Present, and Future Financial Thinking
【年份(必填)】Financial Analysts Journal, Vol. 70, No. 6 (November/December 2014), pp. 16-22
【全文链接或数据库名称(选填)】https://www.jstor.org/stable/24586287