Network externalities or alternatively termed network effects are pervasive in computer software markets. While software vendors consider pricing strategies, they must also take into account the impact of network externalities on their sales. My main interest in this research is to describe a firm's strategies and behaviors in the presence of…

Guides librarians in evaluating "filtering" software which schools may purchase for restricting access to potentially inappropriate Internet sites. This article discusses the workings of filtering programs and practical and ethical questions such as: how sites are restricted, who decides, and whether transactions are monitored.…

Provides guidelines for purchasing and installing CD-ROM technology in school libraries. Considerations include hardware and software selection and familiarity with new products. Two lists are provided that contain contact information for six companies and recommendations for six standard CD-ROM reference sources to include on a network. (JKP)

Examines the decision-making process of purchasing CD-ROMs for libraries. Evaluation criteria include hardware requirements, ease of installation, adequacy of documentation, user friendliness of displays, ease of searching, frequency of updates, downloading and printing capabilities, technical support, and vendor reputation. Identifies sources and…