In capitalist Economy , individuals own businesses and freely choose what to buy and sell in free markets with little government interference.
The term capitalist economy is relevant to the term Capitalism. When an individual or a business owns capital goods for their own profit, it is called capitalism.
In a capitalist economy, the goods and services are produced solely on the basis of the demand in the market as well its supply. The individuals/businesses who have their product/services in the market have the sole ownership and have little to no restraint from the government. The decision of investments and area of distribution of goods/services is their own. They decide the prices as well.