Dare you buy a Henry Moore on eBay?

Statistics can tell you what to avoid



When the rarefied world of modern art sales meets the digital age, almost anything is possible. You, too, can buy a Henry Moore on eBay. But it is risky. The old, high-commission auction-houses have rivals, but you will need statistics to guide you. Joseph Gastwirth and Wesley Johnson tell you where the fakes may be lurking.