Capitalism:An economic system characterized by private or corporate ownership of capital goods, investments that are determined by private decision, and prices, production, and the distribution of goods that are determined mainly by competition in a free market.
Supply and Demand:The economic model that determines the price of anything in a market, stating that the price of a good will vary until it settles at a point where the quantity demanded will equal the quantity supplied.
Market Economy: An economy in which decisions regarding investment, production, and distribution are based on supply and demand, and prices of goods and services are determined in a free price system