Customer coalitions in the electronic marketplace
AGENTS '00 Proceedings of the fourth international conference on Autonomous agents
A stable and efficient buyer coalition formation scheme for e-marketplaces
Proceedings of the fifth international conference on Autonomous agents
Algorithm for combinatorial coalition formation and payoff division in an electronic marketplace
Proceedings of the first international joint conference on Autonomous agents and multiagent systems: part 1
Mechanisms for coalition formation and cost sharing in an electronic marketplace
ICEC '03 Proceedings of the 5th international conference on Electronic commerce
Group Buying on the Web: A Comparison of Price-Discovery Mechanisms
Management Science
A Buyers Integration Support System in Group Buying
CEC '04 Proceedings of the IEEE International Conference on E-Commerce Technology
A Volume Discount-Based Allocation Mechanism in Group Buying
DEEC '05 Proceedings of the International Workshop on Data Engineering Issues in E-Commerce
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In general, consumers with a limited order size can join a buying group to form economies of scale and enjoy more beneficial deals from suppliers. Researchers have shown such demand aggregation mechanisms can theoretically outperform a direct purchase at the retail price. Nevertheless, group buying mechanisms introduced into the Internet marketplace during late 90s turned out to be unsuccessful and were forced out of the market one after another. Given that waiting time (i.e. the time during which consumer demand is aggregated) is the primary parameter of a group buying mechanism, it is important to meticulously study its effects on the performance of group buying systems. This study provides a novel empirical analysis of the effects of waiting time on the financial return and the order fulfillment of group buying mechanisms. The results of this research clearly demonstrate the presence of a trade-off between these two performance factors. Furthermore, the results also highlight the negative effects of having an unbalanced waiting time (i.e. setting waiting time too short or too long) on the performance of group buying mechanisms.