Information Systems Frontiers

, Volume 8, Issue 3, pp 179–194

Optimum design of electronic communities as economic entities


DOI: 10.1007/s10796-006-8778-9

Cite this article as:
Orman, L.V. Inf Syst Front (2006) 8: 179. doi:10.1007/s10796-006-8778-9


Electronic communities can be designed to organize consumers, to pool their purchasing power, and to guide their purchasing decisions. Such commercial electronic communities have the potential to facilitate the creation of novel marketplaces, and even radically change the buyer-seller interaction, as physical communities did throughout the history. Commercial electronic communities are groups of consumers that participate in the marketplace as a single unit. In addition to bargaining power gained from such bundling, such communities can expand markets by reducing market uncertainty, and they have the potential to drastically reduce consumers’ transaction costs, by facilitating group transactions and bulk purchasing. Communities are characterized by their size, their pricing strategy, and their membership characteristics. Analytical models and numeric analysis is utilized to compute the optimum size of a community for given market characteristics. Two major community pricing strategies are analyzed to improve the community design, and the conditions are derived where one dominates the other. Finally, market segmentation techniques are introduced to control the membership characteristics of the community to further improve the design.


Electronic communities Electronic markets Economics of markets Market design Consumer surplus Electronic business models 

Copyright information

© Springer Science + Business Media, LLC 2006

Authors and Affiliations

  1. 1.Cornell UniversityIthaca

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