Columbia subject headings:
Free enterprise--Political aspects--United States--21st century.
United States--Economic conditions--2001-2009.
United States--Politics and government--2001-2009.
Harvard subject headings:
Free enterprise--Political aspects--United States--21st century.
United States--Economic conditions--2001-2009.
United States--Politics and government--2001-2009
Princeton subject headings:
Free enterprise--Political aspects--United States--21st century.
United States--Economic conditions--2001-2009.
United States--Politics and government--2001-2009.