世界经济教学资料 世界经济课堂展示.ppt
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1、PPT模板下载: 行业PPT模板: 节日PPT模板: PPT素材下载: PPT背景图片: PPT图表下载: 优秀PPT下载: PPT教程: Word教程: Excel教程: 资料下载: PPT课件下载: 范文下载: Collaboration and Coordination,金融1202班,朱培培 赖歆玮 何丽娟 丁冬 谭吕淇 汤雨谣,1,2,3,4,5,International Externalities,Global Enviroment protection,Structual Interdependent,International policy cooperation,Pro
2、s and Cons,PPT模板下载: 行业PPT模板: 节日PPT模板: PPT素材下载: PPT背景图片: PPT图表下载: 优秀PPT下载: PPT教程: Word教程: Excel教程: 资料下载: PPT课件下载: 范文下载: Externalities,金融1202班 朱培培,International Externalities,Externalities :One major type of distorition,generally arise because of poorly defined property rights. There are goods peopl
3、e care about that are not sold on markets.,Two types of externalities,Positive externalities:private markets can under-allocate resources to the production of a good or service.,Negative externalities:private markets can over-used resources to the production of a good or service.,Correct Internation
4、al Externalities,emission fee(排污费) cap-and- trade(总量交易控制),Emission fee to levy a Pigouvian tax on each unit of emis sions rather than on each unit of output. Cap-and-Trade A system of tradable pollution permits,Responsiveness to Inflation inflation lowers the real emissions fee, in contrast,the cap-
5、andtrade system leads to the same amount of pollution regardless of inflation. Object being acted emissions fee limits the cost of reducing pollution, whereas a cap-and-trade system limits the amount of emissions Responsiveness to Uncertainty When marginal social benefits are inelastic and costs are
6、 higher than expected, cap-and-trade is more efficient, When marginal social benefits are elastic and costs are higher than expected, an emissions fee is more efficient.,Emissions Fee vs Cap-and-Trade,susidy(补贴),Correct International Externalities,Social benefits,PPT模板下载: 行业PPT模板: 节日PPT模板: PPT素材下载:
7、PPT背景图片: PPT图表下载: 优秀PPT下载: PPT教程: Word教程: Excel教程: 资料下载: PPT课件下载: 范文下载: 赖歆玮,Public goods and pollution abatement,What is a public good?, A good that is both non-exclusive and non-rivalrous in that individuals cannot be effectively excluded from use and where use by one individual does not reduce a
8、vailability to others.,non-exclusive & non-rivalrous,Public goods,Example: national or regional defense, forest fire suppression, groundwater pollution cleanup, flood control, animal disease control, etc.,national or regional public goods,Public goods,global public goods,Example: ocean pollution cle
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