威廉J.伯恩斯坦，金融經濟曆史傳記、金融科普著作作者。哲學與醫學的雙料博士、神經科學專傢，知名的公司財務理論傢，因其對現代金融投資組閤與公司財務報錶的研究而享有盛名。同時他還是資産配置領域的雜誌《有效邊界》的編輯和著名網站www.efficientfrontier.com的創始人、暢銷書作傢，也是美國普通投資者心目中的草根英雄。作為一名曾經的神經醫學專傢，伯恩斯坦對市場的狂熱與人類理性的局限性有著深刻的認識，總是能從其獨特的視角剖析市場與投資者，而且他也善於以經濟金融曆史的描述，以史為鑒啓迪廣大投資者。他著有《投資者宣言》《繁榮的背後》《偉大的交易》《投資的四大支柱》等經典經濟投資著作。

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