Product information given in purchase situations influences purchase behavior. In online purchase situations, the use of recommendation agents increases the value of product information as information becomes adaptive and thus more relevant to consumers’ information needs. Correspondingly, mobile recommendation agents (MRAs) may also increase the value of product information in bricks-and-morta...

E-commerce and microblogs have emerged as two important applications of Web 2.0 technology. Service providers rely heavily on personalized recommender systems to drive sales and social interaction respectively. This thesis seeks to address the challenges of data sparsity and scalability in recommender systems, and proposes methods to improve the performance of personalized recommendation in e-c...

This research studies the effect of “disconfirmation”—the discrepancy between the expected and experienced quality of the same product—on the behavior of consumers leaving product reviews in an online setting. Specifically, we posit that an individual’s pre-purchase expectation is driven by the product ratings she observes and the credibility of the review system she perceives at the time of pu...

E-commerce researchers and managers have known for some time that Long-Tail effects on pricing and product purchase are an important way in which internet retail differs from traditional “brick & mortar” businesses. These Long Tail effects are often directly attributed to lower search costs. Using a transaction-level model we provide important evidence that the principal impact of a reduction i...

The objective of this study was to begin characterizing purchase, storage, handling, and preparation of poultry products and eggs by selected consumers in three Asian countries: India, Korea, and Thailand. Approximately 100 consumers in each location were recruited to participate in this study. The consumers were surveyed about eggs and poultry purchase behavior characteristics, such as tempera...

The current study was undertaken to characterize Escherichia coli and other Enterobacteriaceae in raw and pasteurized producer-distributor bulk milk (PDBM). A total of 258 samples were collected from purchase points in 8 provinces in South Africa. The samples were tested for

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...

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