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    Ruomeng Cui

    埃默里大学助理教授
    埃默里大学助理教授Ruomeng Cui:信息共享的价值 
    【主讲】埃默里大学助理教授Ruomeng Cui
    【题目】信息共享的价值 
    【时间】2017年7月7日 (周五)10:00-12:00
    【地点】清华经管学院 伟伦楼453
    【语言】英文 
    【主办】管理科学与工程系
     
    Ruomeng Cui, Assistant Professor, Emory University:The Value of Information Sharing: Field Experiments
    【Speaker】Ruomeng Cui, Assistant Professor, Emory University
    【Title】The Value of Information Sharing: Field Experiments
    【Time】July 7,Friday, 10:00-12:00
    【Venue】Room 453, Weilun Building, Tsinghua SEM 
    【Language 】English
    【Organizer】Department of Management Science and Engineering
    【Abstract】Most companies must contend with demand and supply uncertainties. In response, companies use information as a lever to balance supply and demand. I will talk about my two papers that explore the value of inventory information in a retail context and the value of review information to reduce racial discrimination on the sharing economy platform.
     
    Discrimination with Incomplete Information in the Sharing Economy: Field Evidence from Airbnb. Recent research has found widespread discrimination by hosts against guests of certain races in online marketplaces, which endangers the very basis of a sharing economy — building trust in the communities. In this paper, we explore the root cause of discrimination and how to eliminate discrimination. We conducted two randomized field experiments among 1,256 hosts on Airbnb by creating fictitious guest accounts and sending accommodation requests to them. We find that requests from guests with distinctively African American names are 19 percentage points less likely to be accepted than those with distinctively White names. However, a public review posted on a guest page mitigates discrimination: when guest accounts receive a positive review, the acceptance rates of guest accounts with distinctively White and African American names are statistically indistinguishable. We further demonstrate that a negative review also eliminates discrimination.
     
    Learning from Inventory Information: Field Evidence from Amazon. Many online retailers provide real-time inventory availability information. Customers can learn from the inventory level and update their beliefs about product quality. Thus, consumer purchasing behavior may be impacted by the availability information. Based on a unique setting from Amazon lightning deals, which displays the percentage of inventory consumed in real time, we explore whether and how consumers learn from inventory availability information. Identifying the effect of learning on consumer decisions has been a notoriously difficult empirical question due to endogeneity concerns. We address this issue by running a randomized field experiment on Amazon. In our experiment, we create exogenous shocks on the inventory availability information to a random subset of Amazon lightning deals. In addition, we track the dynamic purchasing behavior and inventory information for 23,665 lightning deals offered by Amazon in August 2016 and exploit their panel structure to further explore the underlying mechanisms behind learning. We find evidence of consumer learning from inventory information: a decrease in product availability causally attracts more sales in the future; in particular, a 10% increase in past sales leads to a 2.08% increase in cart add-ins in the next hour. 
     
    【Bio】Ruomeng Cui is an assistant professor in the Department of Information Systems & Operations Management Department at Goizueta Business School, Emory University. She received her Ph.D. in operations management from the Kellogg School of Management, Northwestern University in 2014. She received her B.S. degree from Industrial Engineering Department at Tsinghua University in 2009. Prof. Cui's primary research interests are empirical operations management, data-driven decision making, supply chain management, information sharing, retail operations and consumer behavior.
    友情链接: 中华人民共和国教育部 |  高校社科网  |  清华大学  |  清华经管学院 |  IEEE SMC 北京支部 |  信息系统协会中国分会 |  信息系统学报
    通信地址:清华大学经济管理学院伟伦楼447(100084)  电子邮箱: rccm@mail.tsinghua.edu.cn  联系电话:010-62771663  传真:010-62784555
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