1. A method for conducting continuous auctions for continuous sale of identical items over a computer network consisting of plurality of buyers and at least one seller, the method comprising the following steps: communicating seller information including an estimated time interval to the next auction decision; accepting buyer information for each of said buyers including a bid price, a bid entry time, a bid duration, and an intended purchase volume; and dynamically scheduling a next auction through determining a response time for said buyers by using said buyer information, said scheduling adjusted in a manner such that buyers are retained in said auction for as lone as Possible.