an economy based on supply and demand
an economy managed by the government
an economy based on one type of product
an economy under the command of workers
The correct option is B.
An economy managed by the government is the best definition of a command economy.
What is Command Economy?
A command economy is one in which a central government makes all economic decisions. Either the government or a collective owns the land and the means of production. It doesn't rely on the laws of supply and demand that operate in a market economy and it ignores the customs that guide a traditional economy.
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