Columbia subject headings:
Harvard subject headings:
Computers--Economic aspects--United States.
Computers--Social aspects--United States.
Labor economics.
Robots, Industrial--Economic aspects--United States.
Robots, Industrial--Social aspects--United States.
Princeton subject headings:
Computers--Economic aspects--United States.
Labor economics.
Robots, Industrial--Economic aspects--United States.
Technological innovations--Economic aspects--United States.