In the standard search problem there is an infinite pool of items whose distribution of values is known. A decision maker draws an item from the pool, observes its value, and decides whether to keep it or to draw another item. He can keep only one item, and he seeks the item with the largest...

Under sequential screening, a production lot is inspected item-by-item; the decision is made after inspecting each item whether to inspect another item or to reject the remainder of the lot; and thus uninspected items are never accepted. This screening process is a special case of the sequential...

Each year, multi-stage auctions of one form or another sell or let billions of dollars worth of goods and contracts. Yet despite the significance of such auctions, the existing theory of auctions and competitive bidding fails to explain why a bid taker might prefer a multi-stage auction to a,...

This paper addresses a problem faced by the producer of a commodity for which futures are traded. The producer wishes to reduce his exposure to the random fluctuations in spot prices; however, the futures markets extend out for fewer time periods than the revenue stream that he wants to hedge....