Andrew B. Whinston

Learn More
Article history: Received 13 May 2007 Received in revised form 26 March 2008 Accepted 2 April 2008 Available online 10 April 2008 This study examines the persuasive effect and awareness effect of online user reviews on movies' daily box office performance. In contrast to earlier studies that take online user reviews as an exogenous factor, we consider(More)
acknowledges support by the National Science Foundation CAREER award under contract number IIS-9875746. The authors are grateful to the senior editor, associate editor and three anonymous reviewers for constructive critique and suggestions for improvements. Austin. His publications have appeared in several top tier journals such as American Economic Review,(More)
Millions of dollars change hands daily through online auction markets. However, fraud has been on the rise in these markets. Using a game theoretic approach, we propose a design of an economic incentive mechanism, the trusted third party (TTP), to serve the online auction communities. The proposed model addresses both the economic and technological aspects(More)
Online users often need to make adoption decisions without accurate information about the product values. An informational cascade occurs when it is optimal for an online user, having observed others’ actions, to follow the adoption decision of the preceding individual without regard to his own information. Informational cascades are often rational for(More)
A collection of technologies termed social computing is driving a dramatic evolution of the Web, matching the dot-com era in growth, excitement, and investment. All of these share a high degree of community formation, user level content creation, and a variety of other characteristics. We provide an overview of social computing and identify salient(More)
Internet fraud has been on the rise in online consumer-to-consumer (C2C) auction markets, posing serious challenges to people’s trust in electronic markets. Among various remedies to promote trust and reduce trader’s risk, online escrow service has been proposed as a trusted third party to protect online transactions from Internet fraud. However, whether an(More)
Sulin Ba • Jan Stallaert • Andrew B. Whinston Electronic Economy Research Lab, Department of Information and Operations Management, Marshall School of Business, University of Southern California, Los Angeles, California 90089 Electronic Economy Research Lab, Department of Information and Operations Management, Marshall School of Business, University of(More)