Human cheating has been a barrier to establishing trust among e-commerce users, throughout the last two decades. In particular, in online auctions, since all the transactions occur among anonymous users, trust is difficult to establish and maintain. Shill bidding happens when bidders bid exclusively to inflate (in forward auctions) or deflate (in reverse auctions) prices in online auctions. At ...

Shill bidding is the act of using bids in an online auction to drive up the final price for the seller, thereby defrauding legitimate bidders. While ‘shilling’ is recognized as a problem and shill bidding is strictly forbidden in online auctions, presently there is little to no established means of defense against shills. This paper presents a software bidding agent that follows a shill bidding...

Bilateral contract transaction among generation companies and large consumers is attracting much attention in the electricity market. A large consumer can purchase energy from generation companies directly under a bilateral contract, which can guarantee the economic interests of both sides. However, in pursuit of more profit, the competitions in the transaction exist not only between the compan...

Tarihsel olarak, talep sanayileşme için önemli bir dinamik olmuştur. Buna rağmen politikalarında arz yanlı dinamikler dikkate alınmakta ve eksik kalmaktadır. Ancak sürdürülebilir büyüme dinamikleri de alınmalıdır. Bu çerçevede çalışmanın amacı, dinamiklerinin ekonomi imalat sanayide nasıl katkı sağladığını analiz etmektir. Çalışmanın amacı kapsamında, Kranendonk Verbruggen (2005; 2008) tarafınd...

Internet auction sites have evolved into markets where commodity goods such as electronics or DVDs are traded. Often several auctions for very similar (if not identical) items run simultaneously, and unit-demand bidders must adopt global multi-auction bidding strategies. Despite the increasing practical importance of such markets, there is relatively little theory on how unit-demand bidders sho...

Power systems are in the midst of radical changes as a result of steadily rising demand, advanced technology integration and increasing penetration levels of renewable energy sources. Such developments have brought about increasing recognition of consumer behavior and the provision of DR (demand response). The aggregation of small loads as a DR flexibility resource allows end-users to participa...