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作者：Zhang, Kaifu; Sarvary, Miklos
作者单位：Columbia University
摘要：This paper studies competition between firms whose products (content) are generated by their customers (users). Video sharing sites, social networks, online games, etc. all rely heavily on user-generated content and have been growing significantly in the last decade. We model a Hotelling style market in which consumers have heterogeneous tastes along a circular city. In a first step, we consider two ex ante identical firms whose offerings entirely depend on user-generated content. Consumers co...
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作者：Kuntz, Ludwig; Mennicken, Roman; Scholtes, Stefan
作者单位：University of Cologne; Leibniz Association; RWI - Leibniz Institut fur Wirtschaftsforschung; University of Cambridge
摘要：Do hospitals experience safety tipping points as utilization increases, and if so, what are the implications for hospital operations management? We argue that safety tipping points occur when managerial escalation policies are exhausted and workload variability buffers are depleted. Front-line clinical staff is forced to ration resources and, at the same time, becomes more error prone as a result of elevated stress hormone levels. We confirm the existence of safety tipping points for in-hospit...
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作者：Cao, Ying; Dhaliwal, Dan; Li, Zengquan; Yang, Yong George
作者单位：Chinese University of Hong Kong; University of Arizona; Korea University; Shanghai University of Finance & Economics
摘要：We study the impact of social networks on the ability of independent directors to obtain private information from their firms' executives. We find that independent directors socially connected to their firms' senior executives earn significantly higher returns than unconnected independent directors in stock sales transactions. The network effect on independent directors' trading profitability is stronger in firms with higher information asymmetry and with more powerful executives. In addition,...
