Which country is not an example of a command economy?

Haiti
China
Vietnam
Cuba

Haiti

Explanation:

A command economy is one where the government controls economic productions. The government owns the factors of production.  It is the government that determines what, when, and how much to produce. The government regulates prices, and there is no competition.

Some of the countries that have command economies include Belarus, North Korea, Cuba, Iran, Libya, China, and, Russia

Haiti has a free market economy. It is a developing economy that has many elements of a traditional economy.

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