Melanie Fodera, a senior at Albion College in Michigan, who has been selling on eBay for about seven years. A study published  in the journal Science analysing some 630,000 auction transactions on eBay in the US reported that, on average, when men and women with equal selling reputations sold the same products, women received lower prices than men.

Successful sellers on eBay know certain things matter: item description, appealing photos, strong seller ratings and, of course, price. Now, a study p(...)