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第五届新结构经济学专题研讨会（冬令营）圆满结束

2019年12月15-18日，北京大学新结构经济学研究院成功举办第五届新结构经济学专题研讨会（冬令营）。新结构经济学冬令营是一年一度的新结构经济学学术思想盛宴，旨在全面展示新结构经济学理论体系，最新学术研究、政策实践和数据库建设的成果，集结海内外的著名经济学家和优秀青年学者共同交流、拓展新结构经济学，深化新结构经济学研究。

冬令营

第十届新结构经济学国际研讨会圆满举办

2023年12月18日至19日，第十届新结构经济学国际研讨会以线上线下相结合的方式在北京大学英杰交流中心圆满举办。本次研讨会由北京大学新结构经济学研究院主办，国内外学者围绕“贸易与知识扩散”、“宏观经济学”、“增长与发展”、“平等和包容性”四个专题进行了广泛深刻的交流讨论。

国际会议

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北大新结构院获批2项2025年国家自然科学基金资助项目

近日，国家自然科学基金委员会公布2025年度集中申报期相关项目评审结果，北京大学新结构经济学研究院2个项目获得立项资助。获批项目信息：徐铭梽副教授申报的《外贸发展与社会稳定：实证分析、理论探讨与政策前瞻》，尤炜助理教授申报的《多中心城市网络系统的形成机制与经济效率探究》，都为国家自然科学基金面上项目。

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07/30:REGULATING EXTERNALITIES: WELFARE THEOREMS, CAP-AND-TRADE, AND PIGOUVIAN TAXES
地点：1F, Wanzhong Building, Langrun Garden, Peking University
演讲人：端木昊随

The general equilibrium framework introduced by Anderson and Duanmu (2025a) incorporates cap-and-trade and emission taxation, the two most widely used regulatory schemes to control greenhouse gas emissions, into the Arrow–Debreu model. This paper extends that model by allowing externalities affecting production technologies. We show that the first welfare theorem fails in the presence of interdependent production technologies. In contrast, we establish versions of the second welfare theorem for these two regulatory schemes. Specifically, we show that every Pareto optimum can be decentralized both as a cap-and-trade equilibrium with transfers and as an emission tax equilibrium with transfers. This provides a rigorous foundation for Pigouvian taxation in general equilibrium economies with multiple agents.

07/30:REGULATING EXTERNALITIES: WELFARE THEOREMS, CAP-AND-TRADE, AND PIGOUVIAN TAXES
地点：1F, Wanzhong Building, Langrun Garden, Peking University
演讲人：端木昊随

The general equilibrium framework introduced by Anderson and Duanmu (2025a) incorporates cap-and-trade and emission taxation, the two most widely used regulatory schemes to control greenhouse gas emissions, into the Arrow–Debreu model. This paper extends that model by allowing externalities affecting production technologies. We show that the first welfare theorem fails in the presence of interdependent production technologies. In contrast, we establish versions of the second welfare theorem for these two regulatory schemes. Specifically, we show that every Pareto optimum can be decentralized both as a cap-and-trade equilibrium with transfers and as an emission tax equilibrium with transfers. This provides a rigorous foundation for Pigouvian taxation in general equilibrium economies with multiple agents.

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北京大学新结构经济学研究院