智商高的人,買股票也比較厲害? - 投資
By Linda
at 2021-07-22T19:49
at 2021-07-22T19:49
Table of Contents
Blog post:
https://daze68.blogspot.com/2021/07/high-iq-and-stock-return.html
======
Grinblatt(2009)分析芬蘭男性的入伍智力測驗成績與日後的股票投資
最高智商組(96百分位以上)買股票時
交易當日約勝過智商較低組(40百分位以下)4.4bp
若以年來看,最高智商組的報酬率約勝過智商較低組50bp
作者無法斷定較高報酬的原因是因為高智商者能更有效的評估新資訊
抑或高智商者能取得更多內線消息
======
智商高的確比較厲害
另一方面來說
一年50bp的差距雖不能說是無關緊要
但差距其實也沒有非常驚人
(我猜大概遠少於最高智商組與智商較低組在薪水上的差距)
芬蘭股市的研究結果能否推論到其他市場也可存疑
但除了北歐國家
大概也很難有這種機會
能取得個人的智力測驗成績與股票投資行為的資料用於分析
======
Reference:
Grinblatt, M., Keloharju, M., & Linnainmaa, J. (2009). Do smart investors
outperform dumb investors. Chicago Booth Research Paper, 9(33), 46.
--
So stand by your glasses steady,
Here’s good luck to the man in the sky,
Here’s a toast to the dead already,
Three cheers for the next man to die.
--
https://daze68.blogspot.com/2021/07/high-iq-and-stock-return.html
======
Grinblatt(2009)分析芬蘭男性的入伍智力測驗成績與日後的股票投資
最高智商組(96百分位以上)買股票時
交易當日約勝過智商較低組(40百分位以下)4.4bp
若以年來看,最高智商組的報酬率約勝過智商較低組50bp
作者無法斷定較高報酬的原因是因為高智商者能更有效的評估新資訊
抑或高智商者能取得更多內線消息
======
智商高的確比較厲害
另一方面來說
一年50bp的差距雖不能說是無關緊要
但差距其實也沒有非常驚人
(我猜大概遠少於最高智商組與智商較低組在薪水上的差距)
芬蘭股市的研究結果能否推論到其他市場也可存疑
但除了北歐國家
大概也很難有這種機會
能取得個人的智力測驗成績與股票投資行為的資料用於分析
======
Reference:
Grinblatt, M., Keloharju, M., & Linnainmaa, J. (2009). Do smart investors
outperform dumb investors. Chicago Booth Research Paper, 9(33), 46.
--
So stand by your glasses steady,
Here’s good luck to the man in the sky,
Here’s a toast to the dead already,
Three cheers for the next man to die.
--
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投資
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