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QuiBids Supply Rule Shift: Analyzing Product Inventory Changes and Community Formation

Explore the dataset from QuiBids, analyzing the shift in product inventory and the formation of user communities before and after July 16, 2011. Discover QuiBids' unique supply rule, focusing on maintaining profitability and catering to user interests. Uncover the strategies behind QuiBids' business model through a detailed conference paper.

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QuiBids Supply Rule Shift: Analyzing Product Inventory Changes and Community Formation

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  1. QuiBids’ Supply Rule Aktarer Zaman 12/2/11

  2. Dataset Products: 2,474 Users: 199,528 Auctions: 498,691 Bids: 3,850,461 Time Span: 4/21/2011 – 8/6/2011

  3. Products Represented

  4. Products Represented…

  5. Auctions

  6. Bids

  7. Question that needs an answer: • Why did QuiBids change its inventory of products?

  8. Unique Visitors to QuiBids

  9. 20 Days Before and After July 16, 2011 • Before • Products: 1,442 • Auctions: 88,516 • Users Captured: 51,632 • After • Products: 1,058 • Auctions: 88,194 • Users Captured: 48,466

  10. Forming Communities • Initially • Products = Community • User  community based on interest • Join communities • Similar users in any to community

  11. Visualizing Communities Before Change

  12. Visualizing Communities After Change

  13. So what’s QuiBids’ supply rule? • Constant number of auction • Increase representation of product based on user interest • Maintain equilibrium with profitability

  14. Conference Paper • Penny auctions • General information about QuiBids • Strategies behind the QuiBids business • The habits of users

  15. Questions?

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