Answer:
4. socialist government that provides a lot of regulation.
Explanation:
A command economy is one where the factors of production bare controlled by the government, and it decides what to produce, how to produce it, and the price at which goods are offered for sale.
The government also determines investments and income in the economy.
Command economy is mostly associated with socialist economy with a lot of government regulation. For example in countries like North Korea, Russia, and Cuba are examples of socialist economy that is state run.
