Intro_to_microeconomic_7
goal part7
- Market Failure and the Role of Government (12%–18%)
- A.Externalities
- 1.Marginal social benefit and marginal social cost
- 2.Positive Externalities
- 3.Negative externalities
- 4.Remedies
- B.Publicgoods
- 1.Public versus private goods
- 2.Provision of public goods
- Market Failure and the Role of Government 市场失灵和政府管制
- A.Externalities外部性
- 1.Marginal social benefit and marginal social cost
- 有外部性的经济活动会产生边际社会收益和边际社会成本
- 2.Positive Externalities
- 正外部性:市场生产的数量<社会最优的数量,MSB>MSC
- 3.Negative externalities
- 负外部性:市场生产的数量>社会最优的数量,MSB<MSC
- 4.Remedies
- 对外部性的补救办法:对有负外部性的物品征税,对有正外部性的物品补贴
- B.Publicgoods
- 1.Public versus private goods
- 私人物品有排他性和竞争性
- 公共物品没有排他性没有竞争性s
- 2.Provision of public goods