中文摘要：

信息披露正在被越来越多地应用于拍卖过程,主要起调节报价的作用。然而,信息披露在多属性逆向拍卖中潜在的负效应也逐渐展露,主要表现为供应商利润下降、拍卖无效、商业机密泄露等。究其成因,主要有信息的敏感性、披露的复杂性和供应商感知的差异性。因此,针对以上现象及其成因采用供应商合谋、逆向选择、提高竞争力等应对策略,将有助于完善逆向拍卖机制。

英文摘要：

Information disclosure has been widely applied in the auctions by adjusting the bids.However,the potential negative effects of the information disclosure also gradually appear.Its main performances are the falling of supplier′s profit,invalid auction and the leaking of commercial secrets.The main causes include the sensitivity of the information,the complexity of information disclosure and the difference of supplier′s perception.In view of the phenomenon and cause,there are some coping strategies such as collusion among suppliers,adverse selection and improving the competency which will help to improve the multi-attribute reverse auction mechanism.