Revealed: What makes users bid higher on eBay?

Sarah Coles
ebay headquarters
ebay headquarters

Paul Sakuma/AP/Press Association Images

Ebay pricing is a bit of a mystery. A quick search for any one product will reveal a vast range of different prices, with very little clarity of why there is such a huge disparity. However, a new study claims to hold the secret as to why these prices differ - and how to sell for more.

So what's the secret?