This paper describes the U.S. offshore oil and gas lease sales, conducted by the Department of the Interior since 1954. Several decision problems are discussed, including bidding for leases, the government's decision whether to accept the highest bid, the incidence and timing of exploratory...

The consumption value of a durable good diminishes as it ages due to physical deterioration and consumers' preference for the new. We develop a model of consumer specialization and trade in the market for used durables based on imperfect substitutability. Imperfect substitutability across...

This paper documents exploratory drilling activity on offshore wildcat oil and gas leases in the Gulf of Mexico that were sold between 1954 and 1990, with emphasis on the period before 1980. For each year of the lease, we study the determinants of the decision whether or not to begin exploratory...