Previous research investigated how to leverage the new type of social data available on the web, e.g., tags, ratings and reviews, in recommending and personalizing information. However, previous works mainly focused on predicting ratings using collaborative filtering or quantifying personalized ranking quality in simulations. As a consequence, the effect of social information in user’s informat...

This paper finds a significant association between television advertising for financial services brands and consumers’ tendency to search branded keywords (e.g. ―Fidelity‖) rather than generic category-related keywords (e.g. ―stocks‖). The effect is largest for young brands during standard business hours with an elasticity, .07, comparable to extant measurements of advertising’s impact on sales...

SHIL on the Web is the website of the Israeli Citizens’ Advice Bureau. It provides information about rights, social benefits, government and public services and civil obligations. Activity on the site approaches 10,000 pages visited per day. It has interfaces in four languages: Hebrew, Arabic, Russian and English. Logfile analysis of the SHIL website revealed to our surprise that about 60.7% of...

Searching for information on the web is hard; the user may not know what they are looking for, they may refine their search from information gathered by preliminary naive searches, and they may be looking for luminous sites that have many external links so that they can browse further. Information visualization can aid the user in many of these search related tasks. Certainly, the user is famil...

While consumer behavior and policy researchers have contributed to legislation and legal decisions for reference price advertising, there is hardly any research on how "other" external price information may impact the effects of reference prices and associated semantic cues. These issues are studied with two 3 x 2 x 2 experiments. Results of the first study indicate that consumer evaluations ar...