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 paper measures the size and structure of the U.S. information economy in 1992 and compares them with Marc Porat's measures for 1967[4]. It also examines the magnitude and growth of the information components of the service sector over the years. The results of this study highlight the...