Evidence from Current Population Surveys, various cohorts of the National Longitudinal Surveys, and the Panel Study of Income Dynamics suggests that the fraction of American employees who were paid salaries held constant from the late 1960s through the late 1970s, and continued to hold constant or perhaps fell slightly thereafter through the late 1990s. An analysis that accounts for the changin...

The area of e-Government has rapidly become the focus of much attention amongst academics and practitioners. Led by the drive to streamline government services to citizens and increase participation in the governing and democratic process amongst citizens, government agencies and bodies at different levels are implementing information systems and undergoing process changes under the pervasive u...

3. Information on permissions/orders of reprints in rheumatology and related fields. Silverman featuring research articles on clinical subjects from scientists working is a monthly international serial edited by Earl D.

The vision of ubiquitous computing suggests the seamless and unobtrusive availability of computer-based services. It is debatable whether e-learning has reached or is soon able to reach such a mature stage. The paper argues that ubiquitous information and communication technology does not constitute in itself a sufficient learning environment for everyone. Instead, it seems to be a long and win...

BACKGROUND Electronic nicotine delivery systems (ENDS; commonly known as electronic cigarettes or e-cigarettes) have been commercially available in the United States since 2007, yet recently have generated substantial controversy as their use and availability expands. ENDS are battery-operated devices designed to resemble traditional cigarettes that heat and vaporize nicotinecontaining solution...

The difference between auction and negotiation mechanisms has blurred with the arrival of the Internet and electronic commerce. The new media provide new opportunities and mechanisms to cooperate or to compete, taking advantage of computer power, the communication possibilities of the network, and the fact that millions of people and businesses are online simultaneously. We discuss the characte...