A command economy is an economic system where the government centrally plans and controls production, distribution, and prices, often with the aim of achieving specific social or economic goals. In contrast, a demand economy, often referred to as a market economy, relies on supply and demand to determine prices and production levels, allowing consumers and businesses to make decisions based on market signals. While command economies prioritize state control and equality, demand economies emphasize individual choice and competition.
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Arctic tundra is located in the far northern regions around the Arctic Circle, while alpine tundra is found at high elevations on mountains. Arctic tundra has a colder climate with permafrost, while alpine tundra has a shorter growing season due to its high elevation and tends to be less harsh in terms of climate.