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Duke economist: Oops, 50 years of bad analysis
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Topic: Duke economist: Oops, 50 years of bad analysis (Read 1916 times)
Northerly
5 O'Clock Shadow
Posts: 86
Duke economist: Oops, 50 years of bad analysis
«
on:
November 04, 2014, 11:17:26 AM »
"Harvey’s work offers another lesson to would-be investors:
Even if a fund does consistently beat the market, it may just be a coincidence
. With so many investment funds out there, some will overperform in a way that seems statistically significant just by chance."
Apparently if you are an economist at Duke, this is news to you. And you can then write a journal article about this, ahem, discovery.
http://www.slate.com/articles/business/moneybox/2014/11/duke_economist_campbell_harvey_most_research_on_why_investments_do_well.html
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nereo
Senior Mustachian
Posts: 17472
Location: Just south of Canada
Re: Duke economist: Oops, 50 years of bad analysis
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Reply #1 on:
November 04, 2014, 07:15:42 PM »
this is probably just the nerd in me, but all i can think of when I read that column is "eee! another person who doesn't get what a p-value or confidence interval really is!"
no wonder there is so much confusion and distrust.
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Duke economist: Oops, 50 years of bad analysis