Capitalism (private ownership) in the US economy example. The United States of America is one of the foremost major countries to follow capitalism. Innovation led by capitalism has been one of the major reasons why the US has global corporations like Apple, Microsoft, Amazon, Google, and Facebook. The US Federal government does not own corporations. Capitalism has unleashed productive energy in the people of the country. This has played a crucial role in the US being recognized as a superpower. This has led to a higher quantity of wealth and prosperity in the US. * Socialism (group ownership) in the US economy example. While the American economy is a capitalistic one, there are also certain elements of socialism in which the government acts to ensure the welfare of Americans. For instance, there is the Social Security system that makes a payment to American workers after the age of retirement. This is based on the taxes the system had collected from them during their working years. Two ways the US government interacts with the economy: 1. Fiscal policy (manipulating tax rates and spending programs) 2. Monetary policy (manipulating the amount of money in circulation). Fiscal policy affects aggregate demand through changes