Pricing Agents for a Group Buying System
EurAsia-ICT '02 Proceedings of the First EurAsian Conference on Information and Communication Technology
Electronic Commerce Customer Relationship Management: An Assessment of Research
International Journal of Electronic Commerce
HappyGo: a field trial of local group buying
Proceedings of the ACM 2012 conference on Computer Supported Cooperative Work
An empirical study on quality uncertainty of products and social commerce
Proceedings of the 13th International Conference on Electronic Commerce
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The current research studies the dynamics of one instance of dynamic pricing 驴 group-buying discounts 驴 used by MobShop.com, whose products' selling prices drop as more buyers place their orders. We use an econometric model to analyze changes in the number of orders for Mobshop-listed products over various periods of time. We find that the number of existing orders has a significant positive effect on new orders placed during each 3-hour period, indicating the presence of a positive participation externality effect. We also find evidence for expectations of falling prices, a price drop effect. The results also reveal a significant ending effect, as more orders were placed during the last 3-hour period of the auction cycles.