讲座题目:Fair teams formation(公平组队问题)
面向对象:全院师生
主讲嘉宾:Anna Bogomolnaia (教授)(单位:英国格拉斯哥大学)
学科方向:理论经济学
讲座时间:2024年4月7日(周日)下午2:00-4:00
讲座地点:经济学院402会议室
摘要:A set of kn indivisible items is to be allocated to n agents; each agent is to get exactly k items (one might think of managers choosing teams of equal size). We consider models with cardinal or ordinal pref- erences, and look for efficient and approximately fair allocations. A famous Round Robin rule fares very well on all fairness accounts, but fails efficiency, while rules based on collective welfare maximisation (like Nash or Leximin) cannot guarantee fairness, except on some special sub-domains (two agents, identical valuations, or binary util- ities). For the model with ordinal input, using ordinal domination, we introduce notions of ordinal efficiency and approximate fairness, which prove to be compatible, and describe the sets of ordinally fair allocations.
中文摘要:将一组kn不可分割物品分配给n个人;每个人都要获k个物品(例如经理选择同等规模的团队)。我们考虑具有基数或序数偏好的模型,并寻求有效且近似公平的分配。一个著名的循环规则在所有公平性质上都表现得很好,但没有达到最大效率,而基于集体福利最大化的规则(如纳什或Leximin)不能保证公平,除非在一些特殊的子域(两个代理、相同的估值或二元效用)上。对于具有序数效用的模型,我们引入了被证明是相容的有序效率和近似公平的概念,并描述了有序公平分配的集合。
嘉宾介绍:Anna Bogomolnaia,英国格拉斯哥大学亚当.斯密商学院教授。主要研究领域为博弈论、机制设计、公平分配等。在Econometrica,Theoretical Economics,Journal of Economic Theory等顶级期刊发表论文多篇,担任Economic Theory, Review of Economic Design,Mathematical Social Sciences等期刊副主编。