| 摘要 |
A transaction management system for managing the purchase of products or services by a buyer comprising: a data store for storing a seller identifier and seller offer data indicating at least one product or service offered for sale; and transaction data for each of a plurality of historical transactions, a transaction identifier, and the seller and a buyer identifier. The system also having a program store storing instructions and a processor coupled to the data store and to the program store for implementing the instructions for controlling the processor to implement a buyer interface to receive a purchase inquiry, output seller offer data for a plurality of sellers, the sellers each being able to meet the purchase criteria; and receive a purchase request accepting an offer. The processor can also analyze the transaction data to determine stability a market.
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