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分析資產價格 美3學者獲諾貝爾經濟學獎
Oct 14th 2013, 11:39

三位美國學者法馬(Eugene Fama)、韓森(Lars Peter Hansen)和席勒(Robert Shiller)因對資產價格的經驗分析,同獲今年諾貝爾經濟學獎。

諾貝爾委員會說,未來幾天或幾周的股票和債券價格無法預測,但預測未來三、五年的趨勢卻是可能的。

法馬自1960年代開始驗證短期股價難以預測。但如果短期股價難以預測,那麼更長期股價是否更難預測?答案是否定的。席勒在1980年代初發現,長期股價可以預測。

韓森則發展出統計學方法,用於測試資產價格的合理理論。(諾貝爾官網)

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