经济学关于效用的题目.如下
经济学关于效用的题目.如下
日期：2011-05-30 07:20:09 人气：3
max u(X,Y)
s.t. XPx + YPy = m
Lagrangian
L(X,Y,t) = u(X,Y) + t(m - XPx - YPy)
FONC
dL/dX = du/dX - tPx = MUx - tPx = 0
dL/dY = du/dY - tPy = MUy - tPy = 0
which implies
MUx/Px = MUy/Py = t, or MUx/MUy = Px/Py
M