| 摘要 |
An auction system (X) has a marketable auction device 2 to actuate a purchasing scale distinction member ( 24 ) provided to distinguish large lot buyers who bid more than 2 unit number from small lot buyers who bid falling short of 2 unit number. A redistribution member ( 25 ) works to multiply a factor 1.2 by counterbidding prices that the large lot buyers tender so as to produce estimation prices, while at the same time, producing estimation prices equal to counterbidding prices which the small lot buyers bid without multiplication. Then, the redistribution member ( 25 ) determines successful bidders preferentially in order from those who have highest counterbidding prices against the gross unit quantity of the perishable products so that a lowest successful bid price among the successful bidders is determined to be a contract price for all the successful bidders. The auction system (X) enables an auction market to keep higher contract prices through the bidding season so as to enhance the gross net sale without an erratic fluctuation.
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