| 摘要 |
<p>A business model is described for conducting business transactions over the Internet, allowing buyers to reduce the price of the selected product or service based on the buyer's performance during a price determining activity (PDA). Sellers offer the product or service within a specified price range, and buyers accept the offer, in exchange for the opportunity to close the transaction at the lowest price offered by achieving a high score or performance rating during the PDA. The price may change throughout performance of the PDA. The price change may be continuous, at intervals, in response to certain events, etc. The seller will receive payment for listing products for sell, and as the products attracts buyers to participate in PDAs and compete for lower prices, revenues will be generated from the time spent by the buyers during the PDAs.</p> |
