Action frauds constitute largest part of all Internet frauds. Cheating is a kind of fraud that does not have direct evidences of its occurrence. We conduct theoretical studies as ...
: We consider two mechanisms to procure differentiated goods: the request for quote and an English auction with bidding credits. In the request for quote, each seller submits a pri...
An English auction is the most familiar type of auctions. Generally, an electronic auction has mainly two entities, the registration manager(RM) who treats the registration of bidd...