上海财经大学经济学院《高级微观经济学》题库2

1/31.C=(q,t)qtu(t,q,θ)=t-θq2,θπ=pq-t1θ2θ(q,t)u1u23θHθLθHθL(q,t)(q,t)4C1=(q1,t1)C2=(q2,t2)q1-q2θiC2\θiC1∀θθiC2\θC1[\θiθi]1θ2342/32.xyx;yx≥yx\yxyx≥yx\yx;yxyyBε(y),zxzBε(y)y′y′;yxy′x\y′x∼yy′;xx\y′x∼yx;y3.XI(x)zX∈z∼xzXxyI(x)I(y)I(x)∩I(y)=Φ(){|,}IxzzxzX=∈∼(){|,}IyzzyzX=∈∼xy∼∼(){|,}{|,}()IxzzxzXzzyzXIy=∈=∈=∼∼xy∼()()IxIyφ∩=()()IxIyφ∩≠()wIx∈()wIy∈()()IxIywx∼wy∼∼xy∼4.WA3/3(1)(2)(1)WA12max{,,...,}nuxxx=SARP(2)WA(0,1,2)p=(0,1,0)x='(1,0,2)p='(1,0,0)x=1'0pxpx⋅=≥⋅=x'xWAx'x'xx''1'0pxpx⋅=≥⋅='xxWA5