投資 - 投資
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By Jake
at 2021-02-28T00:27
at 2021-02-28T00:27
Table of Contents
Common Sense Investing 是 Ben Felix 的 Youtube 節目
Ben Felix 深入淺出的引用學術論文與實證資料來討論各種投資相關的topic
我覺得每一集都非常值得反覆觀看
本次主題: Chasing Top Fund Managers
https://www.youtube.com/watch?v=p6HrepdLSu4
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影片大意:
每當有基金經理人表現突出,總會吸引投資人大舉追隨
但當投資人因為過去績效而大舉湧入時
基金經理人往往繳出不盡人意的成績單
理由可能是:
1. 基金經理人只是運氣好,遲早遇到均值回歸
2. 基金經理人擁有投資技能,但基金規模的增加會降低基金經理人打敗市場的能力
3. 追逐擁有投資技能的基金經理人,其溢價會導致投資人無法獲得超額報酬
======
影片中提及的論文:
GOYAL, A. and WAHAL, S. (2008)
退休基金計畫不能免俗
重複輪迴
聘請過去表現良好的經理人->不盡人意->開除->聘新的過去表現良好的經理人
Cornell, Hsu, & Nanigian (2017)
購買之前三年表現落在前10%的基金
接下來的表現
輸給購買之前三年表現落在最後10%的基金
也輸給購買之前三年表現落在45%~55%的基金
Carhart, M.M. (1997) 與 FAMA, E.F. and FRENCH, K.R. (2010)
大部分基金經理人過去表現好只是運氣好
Harvey, Campbell R. & Liu, Yan (2016)
若基金規模一年內增加一倍,Alpha下降0.2%
Berk, J., & Green, R. (2004)
理性假設下
追逐擁有投資技能的基金經理人不會導致投資者獲得超額報酬
但擁有投資技能的基金經理人則可獲益於他們的技能
======
Blog post 有論文的超連結:
https://daze68.blogspot.com/2021/02/ben-felix-common-sense-investing.html
--
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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