Customer coalitions in the electronic marketplace
AGENTS '00 Proceedings of the fourth international conference on Autonomous agents
The effect of negative buyer feedback on prices in Internet auction markets
ICIS '00 Proceedings of the twenty first international conference on Information systems
Consumer trust in an Internet store
Information Technology and Management
Reengineering the Dutch Flower Auctions: a Framework for Analyzing Exchange Organizations
Information Systems Research
Group Buying on the Web: A Comparison of Price-Discovery Mechanisms
Management Science
Politics and the function of power in a case study of IT implementation
Journal of Management Information Systems - Special section: Information technology and IT organizational impact
Comparison of the group-buying auction and the fixed pricing mechanism
Decision Support Systems
International Journal of Electronic Commerce
Show me the money!: deriving the pricing power of product features by mining consumer reviews
Proceedings of the 13th ACM SIGKDD international conference on Knowledge discovery and data mining
Dynamic Pricing on the Internet: Importance and Implications for Consumer Behavior
International Journal of Electronic Commerce
Journal of Management Information Systems
Should we collude? Analyzing the benefits of bidder cooperation in online group-buying auctions
Electronic Commerce Research and Applications
Exogenous coalition formation in the e-marketplace based on geographical proximity
Electronic Commerce Research and Applications
Journal of Management Information Systems
Segmenting uncertain demand in group-buying auctions
Electronic Commerce Research and Applications
Trust and TAM in online shopping: an integrated model
MIS Quarterly
The nature of theory in information systems
MIS Quarterly
Do starting and ending effects in fixed-price group-buying differ?
Electronic Commerce Research and Applications
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Internet-based group-buying auctions enable consumers to obtain volume discounts, but they face risk and trust issues that are not present in other e-retailing formats, which affects their adoption by consumers. Bidders experience uncertainty about the final auction price, and the risk of whether the auction will be completed. We evaluate textual comments and the number of bids made in an auction as drivers of a consumer's perceived financial and psychological risks toward the group-buying auction mechanism and trust in the auction initiator. We use an Internet-based experimental test bed for online group-buying auctions and will report on one experiment that we conducted. Our results indicate that textual comments made by the participants about sellers in past auctions and existing bids affected a consumer's perceived trust in the auction initiator and the financial risk of the mechanism. Positive textual comments and more bids appear to enhance perceived trust in the auction initiator and reduce financial risk, and other consumers are more willing to make bids as a result. Consumers continued to express concerns about the uncertainty of the final group-buying auction price though.