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- 2021-5-21
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根据costs和benefits的不确定性 --> tradeable permit system V.S. carbon tax
1. certain specific level of CO2 √ --> Tradeable permit system --> Efficiency: at the lowest-cost emission sources
2. uncertain --> Carbon tax --> uncertain achievement / effect
1. D "Emitters of CO2 would spend money controlling CO2 emissions up to the level of the tax." 排放越多花钱越多
2. E " those confident that achieving a specific level of CO2 reduction will yield very significant benefits"
3. B "a. but not controlled at a specific cost level. b. the overall effect cannot be accurately forecasted." |
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