The hard sell

For all the billion-dollar turnovers and glamorous, high-profile sales in New York, London, Hong Kong and Paris, the top level of fine-art auctioneering is a notoriously high-overhead, low-profit business. At times, it is even a no-profit business (Sotheby’s made a loss last year). How the Big Two auction houses have grappled to respond to this uncomfortable fact has shaped recent saleroom history.