An economic system in which the means of production and distribution are privately or corporately owned and development occurs through the accumulation and reinvestment of profits gained in a free market.

An economic system based on predominantly private (individual or corporate) investment in and ownership of the means of production, distribution, and exchange of goods and wealth; contrasted with socialism or especially communism, in which the state has the predominant role in the economy.:

capitalist economy

A socio-economic system based on private property rights, including the private ownership of resources or capital, with economic decisions made largely through the operation of a market unregulated by the state

where can i find capitalism in the world today?

keynesian economics is clearly a failure.