The US economy has undergone significant shifts towards services and towards information intensive industries. The latter trend has been driven by advances in information technology. These advances have concurrently led to substantial changes in the production and delivery of services,...

This study examines the evolution of the United States (U.S.) economy after 1999, extending our previous studies [4, 8] up to 2007. The U.S. economy has moved steadily toward services and information-intensive sectors in terms of Gross National Product (GNP), employment, and wage distribution....