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A comment on Billionaire SAS co-founder keeps on coding. Parent comment

Re:Billionaire SAS co-founder keeps on coding by known on Sunday September 20, 2009 @10:39AM (#833087) 

   Trading = Zero Sum
   Investing != Zero Sum
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Re:Billionaire SAS co-founder keeps on coding by eru on Sunday September 20, 2009 @12:40PM (#833200)
Depends. If e.g. we have different appetites for risk, than trading can generate value (though not dollars).
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Re:Billionaire SAS co-founder keeps on coding by ewald on Sunday September 20, 2009 @06:55PM (#833667)
trading is zero sum if you don't count taxes and comission to brokers
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