capitalism- : an
economic system characterized by private or
corporate ownership of capital goods,
by investments that are determined by private decision, and by prices,
production, and the distribution of goods that are determined mainly by
competition in a free market
communism- a : (classlist society) a
theory advocating elimination of private property
b : a system in which goods are
owned in common and
are available to all as needed
free enterprise-: freedom of private business to
organize and operate for profit in a competitive system without interference by
government beyond regulation necessary to protect public interest and keep the
national economy in balance
free market- : an economic market operating by
free competition
citation-
http://www.merriam-webster.com/dictionary/