Kuhn-Tucker condition Suppose for a moment that the horizon was finite,T<o. L 8kT =BT L≥0amdk1≥0，p HTk=0 KT+ →47=B7≥0andk7+1≥0，with B",2k+1=0 →either k+1=0orB,=0 IfT=∞，limB,k+1=limB'Uc(c,2,)k+1=0 电子科大经管学院马捷 10Kuhn-Tucker condition  Suppose for a moment that the horizon was finite, T< ∞.  If T= ∞, 电子科大经管学院 马捷 10 0 0 0 0, 0 0 0, 0 1 1 1 1 1 1 1 1                           T T T T T T T T T T T T T T T T T T T either k or and k with k k k H and k k H k          L lim lim ( , ) 0 1  1       c t t t t t t t t t   k  U c z k