1.Consumer's surplus h1(P12p1,2 h1(P1,p1) E∨ PI CV PI x, (p, p. x(p,) x(p,)EV AV 1.Consumer’s surplus p1 x1 0 1 1 1 h p u ( , , ) p− 1 1 1 x p w ( , , ) p− 1 1 1 1 h p u ( , , ) p− 1 1 x p w ( , ) 0 1 x p w ( , ) 1 1 p 0 1 p cV