A Lobe-Finned Fish Thought to Have Been Extinct for 70

question 53

Short Answer

A lobe-finned fish thought to have been extinct for 70 million years,but discovered off the coast of South Africa in 1938,is the _____________.

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Definitions:

Marginal Social Cost

The total cost to society of producing an additional unit of a good or service, including both private costs and any external costs.

Unregulated Level

Typically refers to a state in which market activities or specific industries operate without government-imposed controls or restrictions.

Marginal Cost

The growth in aggregate costs resulting from the manufacture of an additional product or service unit.

Externalities

Economic side effects or consequences of commercial activities that affect other parties without being reflected in the costs of the goods or services involved.