This type of economy is basic. Most people are farmers or hunters.
The government has total control over the economy. The government controls what is produced and how much. This system has not been successful. An example would be communism.
No government involvement. The prices of goods and services are determined by supply and demand.
The United States is a example of a mixed economy. Some businesses are owned by the government and some are not. Businesses can control what is produced, but the government controls and regulates certain industries.