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“能源与环境经济学”系列讲座第25期:Optimal Dynamic Carbon Pricing under Firm Relocation

  发布日期:2015-04-29  浏览次数:
能源环境经济学”系列讲座25
 
目:Optimal Dynamic Carbon Pricing under Firm Relocation
 
人:Daniel Nachtigall    德国柏林自由大学经济系博士候选人
 
: In a dynamic setting, I analyze optimal carbon taxes when a country unilaterally implements climate policies. Carbon taxes induce firms to invest in abatement capital, but may also lead to relocation of some firms. The social planner addresses the relocation problem by offering firms transfers conditional on maintaining the production in the home country. I show that if transfer payments are only feasible in the near future (period 1), but not in the far future (period 2), it is optimal to implement a declining carbon price path with the first period carbon price exceeding the marginal environmental damage. The reason is that a high carbon price triggers more investments in abatement capital and, thus, creates a lock-in effect. Given that firms have invested much in abatement capital, they are less affected by carbon prices in the future and therefore less prone to relocate in the second period after transfer payments have ceased. If transfer payments involve some welfare costs, the social planner may not want to prevent all firms from relocating immediately. Then, the first period carbon price becomes a two-edged sword as it aggravates the relocation pressure in the first period, but also increases the lock-in effect and averts relocation in the second period. Depending on the size of both effects, the social planner optimally chooses either a low or a high carbon price.
 
主持: 张中祥
复旦大学经济学院“千人计划”特聘教授
国家科技重大专项实施影响评估专家组组长
 
时间:2015年5月5日13:30-14:50

地点:复旦大学经济学院614会议室

主办:复旦大学公共经济学系

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