understanding the roles of trust in online sellers' continued use of online auction marketplaces. Given the uniqueness of online … auction practice, we identify the need for differentiating sellers' trust in the intermediary and in buyers. A balanced view …' use of online auction marketplaces. Empirical data collected from online auction sellers in uBid.com confirmed our model …

warranty model assuming exponential auction listing and claims times, under competing assumptions of Normal (classical … portfolio theory) versus Paretian claims (industry practice) distributions using a normative algorithm. EBay's model viability … was analyzed under three risk metrics - mean-variance risk of classic portfolio theory; value at risk used in regulation …