Launching Shopping and Auctions together — the split fortunes of EC (1999)

The same traffic — connected to what?

The heart of this decision was directing the very same audience — some 100 million page views a day — into two businesses of quite different structure at once. Auctions was a person-to-person market, where sellers and bidders drew one another in and network effects worked strongly. By waiving listing fees to build a thick base of users first, Yahoo rode the loop in which that thickness attracts still more users, converting its reach directly into a market oligopoly. Here, the sheer size of the traffic translated straight into competitive advantage.

But the same reach did not work the same way in shopping. In a general-mall business-to-consumer market, what decides the contest is operational strength — sales support for merchants and the logistics of holding inventory and delivering it — and reach alone could not match Rakuten’s sales force or Amazon’s investment in logistics. Starting from the same company and the same traffic, the two businesses’ fortunes split according to whether the downstream structure ran on network effects or on operational strength. The lesson for Yahoo was a single point: traffic is not an all-purpose asset; its value is decided by what you connect it to. The durable earner was the auctions side, where network effects did the work.