expected return rate = probability (win) *

return rate at win + probability (lose) * loss rate

this needs to be higher than inflation rate.

所有跟帖： 

• 謝謝，我這個好像太依賴股票市場了。 -08明前茶- ♀ (0 bytes) () 11/14/2012 postreply 15:41:10