Columbia subject headings:
Competition--United States.
Industries--United States.
Technological innovations--Economic aspects--United States.
United States--Economic conditions--1981-2001.
Harvard subject headings:
Competition--United States
Industries--United States
Technological innovations--Economic aspects--United States
United States--Economic conditions--1981-2001.
Princeton subject headings:
Competition--United States.
Industries--United States.
Technological innovations--Economic aspects--United States.
United States--Economic conditions--1981-2001.