What is a market economy? Responses an economic system that is a combination of both command and market economies an economic system that is a combination of both command and market economies an economic system in which the government or another central administration regulates supply and prices an economic system in which the government or another central administration regulates supply and prices a market that relies on the trading of goods and services without the use of money a market that relies on the trading of goods and services without the use of money a system in which people earn wages and buy the goods and services they choose