This article has stats and observations about the top 1,000 eBay sellers worldwide. Here's an excerpt:
Over 28% of the top 1,000 eBay sellers are serious cross-border traders – they are based in one country, and have a Premium (or Featured) eBay Store in another.
Of those, around half are in China with stores in the US. In fact, almost 15% of the top 1,000 eBay sellers are based in China with Premium eBay Stores in the USA! A further 110 sellers –11% – are based in China or Hong Kong and export to other countries in the West. So over a quarter of the top 1,000 eBay sellers are Chinese traders selling to the US, Europe and Australia.
Read more: http://www.webretailer.com/lean-comm...-ebay-sellers/