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Despite widespread use in online transactions, rating systems only provide summary statistics of buyers' diverse opinions at best. To investigate the consequences of this coarse form of information aggregation, we consider a dynamic lemons market in which buyers share their evaluations...
Persistent link: https://www.econbiz.de/10014540467
In this paper we provide a simple new version of Arrow’s impossibility theorem, in a world with only one preference profile. This theorem relies on a new assumption of preference diversity, and we explore alternative notions of preference diversity at length.
Persistent link: https://www.econbiz.de/10010318976
relevant network components as communities. The method is also useful to represent the network community structure, especially …
Persistent link: https://www.econbiz.de/10011586849
aimed at investigating the effectiveness of physical (geographical) and virtual communities on information and knowledge …
Persistent link: https://www.econbiz.de/10011340747
This research aims to investigate the role of communities in disaster recovery and in building resilience to answer the … recovery planning, public service continuity plans, and relocating people from disaster-prone communities to safer areas as …
Persistent link: https://www.econbiz.de/10011421354
, the authors need to verify the hypothesis that the network under study truly has communities. Secondly, they need to … devise a reliable algorithm to find those communities. In order to be sure that a given algorithm works, they need to test it … over a sample of random benchmark networks with known communities. To overcome the limitation of existing benchmarks, the …
Persistent link: https://www.econbiz.de/10010310151
, the authors verify the hypothesis that the network under study truly has communities. Secondly, they devise a reliable … algorithm to find those communities. In order to be sure that a given algorithm works, they test it over a sample of random … benchmark networks with known communities. To overcome the limitation of existing benchmarks, the authors introduce a new model …
Persistent link: https://www.econbiz.de/10010312011
, firms, and communities in the Philippines. It reviews the related analytical frameworks, methodologies, and empirical … number of empirical studies covering resilience of households, firms, and communities, particularly to natural disasters …
Persistent link: https://www.econbiz.de/10011784814
-sectoral planning. The paper recommends paradigm shifts for innovative planning and policy approaches that engage communities …
Persistent link: https://www.econbiz.de/10012255025
examines platforms’ managerial strategies to engineer so-called crowd communities. The results show that platforms assume …
Persistent link: https://www.econbiz.de/10012290469