Intro_to_microeconomic_6
goal part6
- Factor Markets (10%–18%)
- A.Derived factor demand
- B.Marginal revenue product
- C.Labor market and firms’ hiring of labor
- D.Market distribution of income
- Factor Markets 要素市场
- 学习时可以类比产品市场的供求均衡
- A.Derived factor demand
- B.Marginal revenue product
- 边际产量值:增加一单位劳力所引起的产值的变化 MRP=P*MP
- C.Labor market and firms’ hiring of labor
- 劳动需求曲线=MRP曲线,MRP=PMPL,利润最大化雇用人数:w=MRP=PMP
- A)影响需求
- Price的变动,影响MRP,即需求曲线移动
- Technological Change技术变革:技术进步—>MP增加——>MRP增加——>需求增加
- Supply of Other factors如果企业有更多的设备(资本),劳力的MP会提高
- B)影响供给
- Changes in Tastes 女性从家庭中走出;啃老族增加
- Changes in other opportunities类似产品市场供给的“substitution”,金融行业吸引人,没人做工程师了……
- Immigration 类似产品市场供给的“number of sellers”
- D.Market distribution of income