| 摘要 |
<p>A computer system for implementing a method for buying and selling commodities (11) comprising identifying suppliers of commodities having surplus capacities; entering into take or pay supply agreements and/or option to purchase agreements for a plurality of commodities (12) with one or more of the suppliers, each of the agreements specifying a cost for an individual commodity(15), the cost being less than market cost for the individual commodity in the absence of said the take or pay and/or option of purchase agreement; and delivering Web pages (16) offering for sale to industrial customers a combination of individual commodities (17) at a price which is lower than the sum of the market prices of the individual commodities(18).</p> |
