A new theoretical paper in the Journal of Public Economics even suggests that a tax on junk food could increase obesity, especially among physically active people.
公共经济学杂志中的一篇新的理论性论文甚至指出：对垃圾食品征税可能会增加肥胖人群，特别是增加那些积极锻炼的人当中的肥胖现象。
Costa Rica is the greenest and happiest country on the planet, according to the rankings developed by think tank the New Economics Foundation, followed by the Dominican Republic and Jamaica.
根据此项排名，哥斯达黎加是全球绿化率和幸福指数最高的国家，多米尼加共和国和牙买加分列其后。 该调查由智囊机构新经济基金会发起。
The third chapter analyzes the traditional theory of natural monopoly based on the new classical economics, and points out the achievements and the limitations.
第三章主要是在新古典经济学框架内对传统自然垄断理论作分析，指出其历史功绩和理论缺陷。
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