One of the features of a free market economy is - (1) active state intervention (2) public ownership of factors of production (3) rationing and price control (4) consumer's sovereignty
(4) consumer's sovereignty Explanation: Consumer Sovereignty is one of the features of a free market economy. It refers to the assertion consumer preferences determine the production of goods and services. In a free market system, market performance is in fact responsive to the specific wants of the consumers within the system.