The economic theories in practice today are Trickle down and the free market. It plays on the idea that unbridled business and minimal government intervention will cure the ills of humanity. It is a philosophy that is predominant in the USA. Business has no soul, only the bottom line and really doesn't respond unless it increases the bottom line. But Humanity is suffering from our present practices and the Banking industry, Wall street and Oil companies need regulation.
Wikipedia.
Keynesian economics (pronounced /ˈkeɪnziən/, also Keynesianism and Keynesian Theory, is an economic theory based on the ideas of twentieth-century British economist John Maynard Keynes. The state, according to Keynesian economics, can help maintain economic growth and stability in a mixed economy, in which both the public and private sectors play important roles. Keynesian economics seeks to provide solutions to what some consider failures of laissez-faire economic liberalism, which advocates that markets and the private sector operate best without state intervention. The theories forming the basis of Keynesian economics were first presented in The General Theory of Employment, Interest and Money, published in 1936. Look it up its interesting.
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