A command economy is an economic system where the government manages and controls all aspects of production and distribution. This differs from a market economy, which relies on supply and demand. The best definition of a command economy from the options given is B: an economy managed by the government.
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A command economy is defined as an economic system managed by the government where it controls the production and distribution of goods and services. This system contrasts with market economies driven by supply and demand. Countries like North Korea exemplify the command economy model. ;