Communications of the ACM
The long tail or the short tail: The category-specific impact of eWOM on sales distribution
Decision Support Systems
Electronic word of mouth analysis for service experience
Expert Systems with Applications: An International Journal
Pick your poison: pricing and inventories at unlicensed online pharmacies
Proceedings of the fourteenth ACM conference on Electronic commerce
Store survival in online marketplace: An empirical investigation
Decision Support Systems
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The rapid growth of the consumer-to-consumer online auction market demands research into its market structure and future trends. We propose that online reputation is becoming an important indicator of online traders' business capacity in the auction market. Based on the data sampled from eBay.com, we find that seller reputation, rather than buyer reputation, is lognormally distributed. Following Gibrat's law and the theory of firm's entry and exit, we further explore the reputation data to study the dynamics of the online market. Implications of the findings are discussed.