What Is the Difference Between a Command Economy and a Market

Short Answer

What is the difference between a command economy and a market economy?
A command economy is found only in communist countries, while a market economy is found only in capitalist countries.
A command economy is more efficient than a market economy.
A market economy gives greater "life satisfaction" to people.
A command economy relies on centralized government control of the factors of production, while in a market economy supply and demand determine production and allocation decisions.
There really are no significant differences between a command economy and a market economy.