Optimal stopping
αT = E(ξT)
αn = αn+ 1 ( 1 F(αn+ 1 ))+
Zαn+ 1
0
xdF(x)
If(ξn)is uniform on[ 0 , 1 ], then
αT =
1
2
αn = αn+ 1 ( 1 αn+ 1 )+
α^2 n+ 1
2
=αn+ 1
α^2 n+ 1
2
αT = E(ξT)
αn = αn+ 1 ( 1 F(αn+ 1 ))+
Zαn+ 1
0
xdF(x)
If(ξn)is uniform on[ 0 , 1 ], then
αT =
αn = αn+ 1 ( 1 αn+ 1 )+
α^2 n+ 1
2
=αn+ 1
α^2 n+ 1
2