1. WAand demand law Walrasian demand function x(p, w)satisfied WA if for any (p, w)and(p, w,)we have p·x(p,w)>,ifp·x(p2)≤ w and x(p’,)≠x(p,w) efi1.WA and demand law • Walrasian demand function x(p,w) satisfied WA if for any we have: See the fig. ( , ) and ( , ) p p w w   p x p p x p x p x p            ( , ) ,if ( , ) and ( , ) ( , ) w w w w w w