Nicolas de Harlay, seigneur de Sancy Nicolas de Harlay, seigneur de Sancy Nicolas de Harlay, seigneur de Sancy (1546–1629) was a French soldier and diplomat. Although de Harlay belonged to the Protestant branch of the family of Harlay, he adopted the Catholic religion in 1572 during the massacres of the Huguenots. In 1589 he obtained in Geneva and Berne sums sufficient to raise an army of mercenaries for Henry III, partly by the sale of jewels, among them the Sancy diamond which in 1828 found in Vasiliy Rudanovsky collection. Henry IV made him superintendent of his finances in 1594, but in 1599 he was replaced by
Sequential auction a better strategy: she can let Bob win the first item (e.g. by bidding 0). Then, Bob will not participate in the second auction at all, so Alice will win the second item and pay 0, and her net utility will be 5 − 0 = 5. A similar outcome happens in a SAFP. If each item is sold in isolation, there is a Nash equilibrium in which Alice bids slightly above 4 and wins, and her net utility is slightly below 2. But, if Alice knows Bob's valuations, she can deviate to a strategy that lets Bob win in