We develop an analytical model of a separating equilibrium for a two-tier fee-based and sponsored-based information Web site. We examine the monopolist’s choice of content quality and price for a feebased site targeted at high type consumers and the content quality level for a sponsored site offered free to all consumers. We show how a reduction in the potential for advertising revenues results...

Respondents at an Internet site completed over 600,000 tasks between October 1998 and April 2000 measuring attitudes toward and stereotypes of social groups. Their responses demonstrated, on average, implicit preference for White over Black and young over old and stereotypic associations linking male terms with science and career and female terms with liberal arts and family. The main purpose w...

This study identifies two distinct conceptualizations of interactivity in the communication literature—the functional view and the contingency view. Although the functional view has predominated academic research on interactivity, this study operationalizes the contingency view in the context of an experiment designed to investigate the impression formation effects of interactivity in Web-based...

CONTEXT Individuals searching the Internet for vaccine information may find antivaccination Web sites. Few published studies have systematically evaluated these sites. OBJECTIVES To examine antivaccination Web site attributes and to delineate the specific claims and concerns expressed by antivaccination groups. DESIGN AND SETTING In late 2000, using a metasearch program that incorporates 10...