w*s
发帖数: 7227 | 2 Let's put this equation and assume equal distribution.
2a, p, t
Then total 2at
The profit is atp-at=at(p-1).
Clearyly p<1. So you want at(p-1)+a>0
Then we get t<1/(1-p).
If you get an offer of t<1/(1-p), great deal. Congratulations! However the
deal should not exist.
Then you need some edge, but I belive the edge can disappear very soon. |
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