Columbia subject headings:
Harvard subject headings:
Capitalism--History--21st century.
Economics--History--21st century.
Economics--Sociological aspects
Industrial productivity--History--21st century.
Industrial productivity--Social aspects.
Princeton subject headings:
Capitalism--History--21st century.
Economics--History--21st century.
Economics--Sociological aspects.
Industrial productivity--History--21st century.
Industrial productivity--Social aspects.