微观经济学（黄新飞）c12 13 微观经济学答疑课教学材料.pptx

C12 13 微观经济学答疑课
王一帆
4
100
80
60
40
20
0
20 40 60 80 100
Percent of e
The Lorenz Curve
Curve of absolute equality
Percent of families
5
100
80
60
40
20
0
20 40 60 80 100
Percent of e
Actual distribution of . e
Curve of absolute inequality
Deviation from absolute equality
Curve of absolute equality
Actual distribution of . e
Percent of families
6
100
80
60
40
20
0
20 40 60 80 100
Percent of e
Curve of absolute inequality
Percent of families
A
A
B
A
B
+
Gini coefficient=

要素市场
1. 要素需求




—派生需求
—弹性取决于?(回想产品市场)
替代品、工资占企业收入比例、与企业的产品需求曲线相关(派生需求)
—如何使企业的劳动需求曲线右移?
替代品价格提高、技术进步(注意:技术和劳动绝不是矛盾的存在!)、企业生产的产品价格上升

: The marginal revenue product (MRP) of output A is the additional revenue produced by an additional unit of input A.
MPR=MR*MP
完全竞争市场:MPR=P*MP
Wage=marginal product of labor
Rent=marginal product of land
10
Least Cost Rules
Because of
and
MRP of factor
MP of factor
MR
=
×
Price of factor
=
MRP of factor
MP of labor
MP of land
Price of labor
Price of land
Marginal revenue
1
=
=
=
…
1
=
1
=