北大经院工作坊第1012场
Natural Disaster, ESG Investing, and Financial Contagion
风险、保险与不确定性经济学工作坊
主讲人:Tianyang Wang(Full Professor at the Colorado State University)
主持老师:
(北大经院)贾若
(人大财金)陈泽
(清华经管)冯润桓
参与老师:
(北大经院)郑伟
(人大财金)魏丽
时间:2024年12月12日(周四)10:00-11:30
线上形式:腾讯会议
会议号:573 575 758
线下地点:北京大学经济学院107会议室
主讲人简介:
Dr. Tianyang Wang is a Full Professor in the Department of Finance and Real Estate at Colorado State University. He holds a Ph.D. from the University of Texas at Austin and several professional designations, including CFA, FRM, and ASA. Dr. Wang's research has been published in academic journals, including the Journal of Risk and Insurance, Geneva Papers, Operations Research, Production and Operations Management, and Risk Analysis. He is a recipient of numerous best paper awards, and currently serves as Contributing Editor of The Actuary, Co-Editor of Expanding Horizons at the SOA, Associate Editor for China Finance Review International, and editorial board member for the Journal of Economics and Finance.
摘要:
This study investigates financial contagion during natural disasters and explores the potential advantage of ESG investing in such contagion. Specifically, we propose using a contagion network framework to detect disaster-driven contagion and transmission channels across sectors, asset classes, and ESG international indexes. Our empirical results show the existence of the disaster-driven contagion, and most disasters increase investors’ risk aversion, which may further magnify portfolio rebalancing behavior or the wealth effect, leading to the spread of financial contagion. Moreover, we also find that the ESG market exhibits “safe-haven” properties, which contributes to the resilience of the financial system during natural disasters.
北大经院工作坊第1013场
全要素生产率再审视:基于政治经济学视角
政治经济学工作坊
主讲人:范欣(中国人民大学全国中国特色社会主义政治经济学研究中心副主任)
主持老师:(北大经院)张辉、方敏
时间:2024年12月12日(周四)10:00-12:00
地点:北京大学理科教学楼302教室
主讲人简介:
范欣,中国人民大学经济学院教授、博士生导师,中国人民大学全国中国特色社会主义政治经济学研究中心副主任、研究员,吴玉章青年学者,研究方向是中国特色社会主义政治经济学、市场分割、数字经济等领域。近年来,主持国家社会科学基金一般项目、国家自然科学基金青年项目等10余项,先后在《中国社会科学(中英文版)》《经济研究》《管理世界》以及Land Use Policy、Journal of Happiness Studies等国内外知名学术期刊上发表论文40余篇,多篇论文被《新华文摘》等期刊全文转载。相关成果曾获国家级教学成果奖一等奖、北京市哲学社会科学优秀成果奖二等奖、兴华优秀论文奖等多项奖项。所撰写的咨询报告多次获得国家级或省部级领导人肯定性批示。
摘要:
面对新一轮科技革命和产业变革深入发展、后疫情时代经济下行风险加大、经济发展方式亟需转变等多重因素叠加,新质生产力被正式提出,而新质生产力的核心标志是大幅提升全要素生产率。全要素生产率虽是西方主流经济学的常见概念,但从思想缘起看,马克思关于提高劳动生产率的认识中蕴含着全要素生产率思想。作为社会化生产条件下劳动生产率的重要内容,全要素生产率进一步体现在两种含义的 “社会必要劳动时间”范畴上。从马克思主义政治经济学视角重新审视全要素生产率,并将其纳入中国特色社会主义政治经济学理论体系之中,是中国特色社会主义政治经济学 “不忘本来、吸收外来、面向未来”的生动写照。实践层面,经济长期高速发展带来生产方式变迁,基于新古典增长理论的传统增长核算不再适用于中国全要素生产率的实践检验,有必要从马克思的生产劳动理论出发,明确生产劳动所涉部门,由此测算得出的全要素生产率及其变动情况更具针对性。立足新时代新征程,作为实现我国经济高质量发展的关键抓手,着力提高全要素生产率需平衡好长期与短期、供给与需求、总量与结构等多个方面,在供需协调发展中推动经济发展质量变革、效率变革和动力变革,加快发展新质生产力。
北大经院工作坊第1014场
Robust Contracts with Exploration
微观理论经济学工作坊
主讲人:Chang Liu (Lecturer in Economics of the UNSW Business School)
主持老师:
(北大经院)吴泽南、石凡奇
(北大国发院)胡岠
参与老师:
(北大经院)胡涛
(北大国发院)汪浩、邢亦青
(北大光华)翁翕、刘烁
时间:2024年12月12日(周四)10:00-11:00
地点:北京大学经济学院302会议室
主讲人简介:
Chang Liu is a Lecturer in Economics at the UNSW Business School. His research is primarily in pure and applied microeconomic theory. He is particularly focused on the equilibrium behavior and the design of mechanisms in settings where dynamic considerations are significant features of the environment. Prior to joining UNSW, he was a Postdoctoral Fellow at the Simons Laufer Mathematical Sciences Institute (SLMath, formerly MSRI). He holds a Ph.D. in Economics from Harvard University.
摘要:
We study a two-period moral hazard problem; there are two agents, with action sets that are unknown to the principal. The principal contracts with each agent sequentially, and seeks to maximize the worst-case discounted sum of payoffs, where the worst case is over the possible action sets. The principal observes the action chosen by the first agent, and then offers a new contract to the second agent based on this knowledge, thus having the opportunity to explore in the first period. We introduce and compare three different notions of dynamic worst-case considerations. Within each notion, we define a suitable rule of updating and characterize the principal's optimal payoff guarantee. We find that linear contracts are robustly optimal not only in static settings, but also in dynamic environments with exploration.
北大经院工作坊第1015场
Influencer Networks
微观理论经济学工作坊
主讲人:陈彦琳(南京审计大学社会与经济研究院助理教授)
主持老师:
(北大经院)吴泽南、石凡奇
(北大国发院)胡岠
参与老师:
(北大经院)胡涛
(北大国发院)汪浩、邢亦青
(北大光华)翁翕、刘烁
时间:2024年12月12日(周四)11:10-12:10
地点:北京大学经济学院302会议室
主讲人简介:
陈彦琳,南京审计大学社会与经济研究院助理教授。研究领域为微观经济理论、产业组织理论、实验经济学等,主要研究方向包括机制设计、信息设计、市场设计、知情委托人、逆向选择、网络经济、数字经济等。在The Econmic Journal、Games and Economic Behavior等国际顶尖期刊发表论文,主持国家自然科学基金青年项目。报告人长期致力于微观经济理论、产业组织理论和实验经济学的研究,尤其在机制设计、信息设计、市场设计等领域取得了突出成果。其研究聚焦于网络经济和数字经济的理论前沿,分析了现代经济中的核心问题,如知情委托人、逆向选择等。
摘要:
This paper develops a model to examine the formation of influencer networks in user-generated content markets. Unlike previous research, we find that every strict equilibrium network exhibits a nested, upward-linking structure where multiple levels of influencers can coexist. Moreover, across a broad range of parameters, all payoff dominant strict equilibria conform to the law of the vital few: regardless of the population size, a small but significant group of players provides all content. We also establish a link between efficiency and equilibrium, and shows that all efficient strategy profiles are strict equilibria of an auxiliary game with larger benefit parameters. For sufficiently large populations, a single nested upward-linking network connecting all players can emerge, despite potentially polarized tastes over content categories.
北大经院工作坊第1016场
Negative Interest Rates on Central Bank Digital Currency(中央银行电子货币的负利率)
宏观经济学工作坊
主讲人:贾鹏飞(南京大学商学院经济学系副教授)
主持老师:(北大经院)韩晗
参与老师:
(北大经院)陈仪、李博、李伦
(北大国发院)赵波、余昌华、李明浩
时间:2024年12月12日(周四)14:00-15:30
地点:北京大学经济学院606会议室
主讲人简介:
贾鹏飞,现任南京大学商学院经济学系副教授,英国曼彻斯特大学经济学博士,英国高等教育研究院副研究员。曾在国际清算银行货币经济研究部做短期研究工作。主要研究领域为宏观经济学,货币经济学,央行数字货币,宏观审慎政策,财政政策,以及国际金融。研究成果发表在European Economic Review、Macroeconomic Dynamics、Journal of Macroeconomics、B.E. Journal of Macroeconomics、Economics Letters、《经济研究》、《数量经济技术经济研究》、《财贸经济》、《中国软科学》、《中国社会科学内部文稿》等国内外学术期刊,论文被《高等学校文科学术文摘》、人大复印报刊资料全文转载。主持和参与多项国家自然科学基金和国家社会科学基金项目。研究成果获教育部第九届高等学校科学研究优秀成果奖(人文社会科学)二等奖,吉林省第十三届社会科学优秀成果奖一等奖,江苏省第十七届哲学社会科学优秀成果奖二等奖,第六届洪银兴经济学奖。
摘要:
Paying negative interest rates on central bank digital currency (CBDC) becomes increasingly relevant to monetary operations, since several major central banks have been actively exploring both negative interest rate policy and CBDC after the Great Recession. This paper provides a formal analysis to evaluate the macroeconomic impact of negative interest rates on CBDC through the lens of a neoclassical general equilibrium model with monetary aggregates. In the benchmark model, agents have access to two types of assets: CBDC and productive capital. The demand for digital currency is motivated by a liquidity constraint. I show that paying negative interest on CBDC induces agents to save less and consume more via a substitution effect. A drop in savings in turn causes a fall in capital investment, subsequent output, and real money balances. To clear the money market, the price level increases. I then extend the model to include government bonds which deliver a positive return. This allows me to study a non-trivial portfolio effect: when the government pays a negative interest rate on CBDC, the tax on agents' capital spending increases, inducing a decrease in capital investment and an increase in government bonds in agents' portfolio. Such a policy causes a drop in investment and output. However, there is a transitory decline in the price level due to a "flight to quality".
北大经院国际经济系列讲座
丝路电商与绿色发展
Silk Road E-commerce and Green Development
主讲人:李勇坚(中国社会科学院财经战略研究院研究员)
主持老师:李权(北京大学经济学院教授)
时间:2024年12月13日(周五)18:40-20:30
地点:北京大学一教303教室
主讲人简介:
李勇坚,经济学博士,中国社会科学院财经战略研究院研究员,中国社会科学院大学教授、博士生导师,兼任中国社会科学院大学平台经济研究中心执行主任、中国市场学会副会长。
兼任工信部信息通信科技委专家委员、国家数字贸易专家工作组智库支撑单位联络人、中国消费经济学会副理事长、中国信息经济学会理事、中国通信学会专家委员、IMT-2030(6G)推进工作组智库支撑单位联络人。主要从事数字经济、平台经济、服务经济理论等方面的研究,在国内外刊物上发表论文200余篇。参与多项国家与服务业、数字经济相关的政策文件起草或研讨工作。承担中央多项与数字经济相关的交办课题。多篇报告获得国家级领导人的批示。与联合国粮食与农业组织、联合国南南合作中心等合作出版电商相关的报告。
供稿:科研与博士后办公室
美编:芋圆
责编:度量、雨禾、雨田