Case Study

Scaling a Barter-Based Online Community

An online platform allows members to trade services directly with one another on a one-to-one basis (e.g., a writer provides editing services to a web developer in exchange for website maintenance). When the community was small, with only 20 members offering general services, this system functioned effectively. The platform has now expanded to 10,000 members, each offering a highly specialized service. The platform's managers have noticed that despite a high level of activity and members needing each other's services, the total number of completed trades has stagnated. Evaluate the suitability of the platform's original direct-trade model for its current size, and explain the fundamental economic challenge that is causing the stagnation.

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Updated 2025-10-06

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