CAJ | 학술논문

针对在线拍卖中卖方实施托投标拍卖出现的欺诈行为，在考虑成本因素的条件下采用非合作博弈理论和方法建立了托投标监管博弈模型，并定量分析监管部门与拍卖方之间互相依存下的决策以及混合纳什均衡问题。通过该模型对拍卖网站监管方和拍卖方决策行为的研究，得出网站监管部门对卖者托投标的最优罚款系数解析式。
침대재선박매중매방실시탁투표박매출현적기사행위，재고필성본인소적조건하채용비합작박혁이론화방법건립료탁투표감관박혁모형，병정량분석감관부문여박매방지간호상의존하적결책이급혼합납십균형문제。통과해모형대박매망참감관방화박매방결책행위적연구，득출망참감관부문대매자탁투표적최우벌관계수해석식。
In light of the shill bidding fraud by the seller in online auctions ,this paper builds a supervi-sion game model for the shill bidding on the basis of non-cooperation game theory and method with the cost factors considered .It analyzes the possible strategies and the mixed Nash equilibrium w hen the supervision department and sellers are interdependent .With the research into the strategies by the regulatory authorities and the sellers ,it has obtained the optimal penalty factor analytic formula that can be used as a guidance by the regulatory authorities in their punishment of the sellers w ho have cheated by shill bidding .