Final answer:
The new economy in the United States is primarily based on services and information, driven by advancements in technology.
Step-by-step explanation:
The new economy in the United States is primarily based on the tertiary and quaternary economic sectors, which are services and information. Technology is a major contributor to U.S. economic growth, and advancements in communications and information technology have led to the development of a 'new economy' in the late 1990s. This new economy is characterized by the increasing reliance on services and information rather than agriculture or manufacturing.