AbstrAct: Digital watermarking is an emerging technology for combating copyright piracy. In real applications, the transaction between a buyer and a seller is done through a specific watermarking protocol, which enables the seller to successfully identify a traitor from a pirated copy, while preventing the dishonest seller from framing an inno cent buyer. In this paper, we propose a new buyer-s...

Buyer-seller networks where price is determined by an ascending-bid auction are important in many economic examples such as certain real estate markets, radio spectrum sharing, and buyer-supplier networks. However, it may be that some sellers are better off not participating in the auction. We consider what happens if sellers can make a take it or leave it offer to one of their linked buyers be...

The buyer’s trust in seller in consumer to consumer e-commerce plays a critical role in consumer purchase decisions. Thus, this paper aims at analyzing the relationships between buyer’s trust in seller, price discount, and price premium by using product price as a moderator variable. A trust function for sellers was calculated through a questionnaire, by using the feedback mechanism and by appl...

Dynamism of trade activity inevitably results in situations where sellers face local supply shortages. In such cases, sellers need to decide which buyer purchase requests to satisfy. Commonly, sellers satisfy purchase requests based on their arrival order, i.e., First In is First Served (FIFS). In electronic trade, sellers may follow strategies diier-ent from FIFS without the buyers being able ...

In the context of electronic commerce (eCommerce), trust is critical to business relationship, because no transaction will take place before a buyer trusts an unknown online seller. However, little has been known about the nature of online trust. In this paper, we propose a framework to categorize the transactional contexts within which trust takes place. Based on this framework, we then review...

In this paper, we present a model for evaluating the trustworthiness of advice about seller agents in electronic marketplaces. In particular, we propose a novel personalized approach for effectively handling unfair ratings of sellers provided to buyer agents from other buyers (called advisors). Our approach offers flexibility for buyers to weight their value for private and public knowledge abo...

With the commercialization of the Internet Electronic Shopping Malls turned up in large numbers. Their initial purpose was to provide the necessary infrastructure for their suppliers to open an online shop to sell their goods, and for their customers to facilitate the tracing of goods and services. But recent shutdowns of big Malls and press releases about unsatisfactory results in turnover let...

a r t i c l e i n f o Keywords: Electronic commerce Online user reviews Risk attitude Willingness-to-pay We develop a two-stage conceptual consumer decision model from the risk perspective to understand the role of online user reviews in consumers' Willingness-To-Pay (WTP). In stage one, consumers assess product uncertainty with product reviews. In stage two, they assess seller uncertainty with...

The increment of number of services provided in World Wide Web lately drives more and more consumers to ecommerce. During the last years and due to the vast increase of estores (B2C), electronic marketplaces and electronic auction sites became more popular. Many researchers examined how buyers interact with the auction facts and sellers during the procedure. Questions such as “how do millions o...

Electronic trade introduces agents|sellers and buyers|with multiple challenges. In this paper we address one of these challenges. We provide new understandings regarding strategies that agents, each representing a buyer or a seller, can use in dynamic electronic markets. In particular, we examine strategies for sellers to decide which purchase-orders to satisfy in the face of stock shortages. W...