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acknowledges support by the National Science Foundation CAREER award under contract number IIS-9875746. The authors are grateful to the senior editor, associate editor and three anonymous reviewers for constructive critique and suggestions for improvements. Austin. His publications have appeared in several top tier journals such as American Economic Review,(More)
While the focus of electronic commerce has often been on " dot coms " or pure Internet based companies, a major transformation is under way in many traditional " bricks-and-mortar " organizations. The latter are investing heavily in Internet based technologies and applications in order to attain new heights of efficiency, productivity and business value.(More)
While the field of electronic commerce has often focused on the rise and fall of " dot coms, " a major transformation is under way in many traditional organizations that are investing heavily in Internet technologies in order to improve financial performance. While anecdotes in the business press suggest that some firms have achieved unprecedented benefits(More)
The increasing proliferation of online shopping and purchasing has naturally led to a growth in the popularity of comparison-shopping search engines, popularly known as " shopbots ". We extend the one-product-at-a-time search approach used in current shopbot implementations to consider purchasing plans for a bundle of items. Our approach leverages(More)
Online retailers are increasingly using information technologies to provide value added services to customers. Prominent examples of these services are online recommender systems and consumer feedback mechanisms that serve to reduce consumer search costs and uncertainty associated with the purchase of unfamiliar products. The central question we address is(More)
While the field of electronic commerce has often focused on the rise and fall of " dot coms, " a major transformation is under way in many traditional organizations that are investing heavily in Internet technologies in order to improve financial performance. While anecdotes in the business press suggest that some firms have achieved unprecedented benefits(More)
SUMMARY We describe a sub 100-mW H.264 MP@L4.1 integer-pel motion estimation processor core for low power video encoder. It supports macro block adaptive frame field (MBAFF) encoding and bi-directional prediction for a resolution of 1920 × 1080 pixels at 30 fps. The proposed processor features a novel hierarchical algorithm, recon-figurable ring-connected(More)