Examlex
The colors you see with a prism result because the light is diffracted.
Marginal Social Benefit
The additional gain to society as a whole from producing or consuming one more unit of a good or service.
Marginal Social Cost
The additional cost imposed on society as a whole by producing one more unit of a good or service, including both private costs and externalities.
Public Park
A publicly owned area of land, often green and open, designated for recreational use by the community.
Socially Optimum
The optimal distribution of resources and production from a societal perspective, where social welfare is maximized.
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