| 城镇居民对环境治理的边际支付意愿 | 
| 曹和平, 奚剑明, 陈玥卓 | 
| Urban residents’ marginal willingness to pay for environmental pollution control | 
| Heping CAO, Jianming XI, Yuezhuo CHEN | 
| 图2 1994—2015年中国人均工业废水及废气排放量年度增长率 | 
| Figure 2 Annual growth rate of per capita industrial waste water and air pollution emissions in China, 1994-2015 | 
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