引用:
原帖由 chefung 於 2008-10-15 08:10 AM 發表
It's assumed everyone has the same information that equilibrium will be reached somehow =.=
I am pretty sure it's not the case for those billionaire and top company.
if you didn't know about CAPM and make the above statement - you have the potential to study finance
that said, CAPM (high risk high return) still holds in reality
treasury bills return at a lower rate compared to stocks
but it's backed by the good faith (o well) of the US government