Explanation:

- Dual Economy: Combines two distinct types of economies, such as a modern industrial sector and a traditional agricultural sector. It does not specifically emphasize private ownership of the means of production.

- Mixed Economy: Features both private and public ownership of the means of production. It combines elements of capitalism and socialism to achieve economic balance and meet social welfare goals.

- Socialist Economy: Focuses on public or collective ownership of the means of production. The state often plays a significant role in the management and distribution of resources.

- Capitalist Economy: Emphasizes private ownership of the means of production. Individuals and corporations own and control resources and businesses, aiming for profit in a competitive market.