Answer:
D mixed economy
Explanation:
A mixed economy combines the aspects of a free market an those of a command economy. The mixed economy gives buyers the freedom to choose what they want. Entrepreneurs choose where to locate their business, its type, and the quantities to supply.
The governments play a regulatory role in the economy. It protects the rights to own properties and enforces contractual agreements. The governments intervene in provisions of public goods such as roads, hospitals, and ports.
A mixed economy will comprise both private and government doing business. Citizens are free to make economic decisions and own the factors of production. The government is mainly the regulator and provider of social services.