eBay is building on its control of the US market as it expands internationally. The list of markets that eBay dominates in Europe is growing, as is its lead in Australia. Further international expansion is clearly on the agenda but will likely become increasingly difficult as time goes on.
How will network effects aid or constrain the international
expansion of online auction marketplaces?
How will online competition between nationally dominant
independent auction marketplaces and international auction
marketplaces (e.g., eBay and Yahoo! Auctions) play out?