If Marginal Revenue Equals Zero,then Demand at This Level of Output

question 2

Multiple Choice

If marginal revenue equals zero,then demand at this level of output is

• A)perfectly inelastic.
• B)inelastic.
• C)unit elastic.
• D)elastic.
• E)perfectly elastic.

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Definitions:

Id

In psychoanalytic theory, the part of the personality that contains our primal, instinctual drives and operates on the pleasure principle.

Ego

In psychoanalytic theory, the part of the personality that mediates between the demands of the id, superego, and reality.

Libido

A term used in psychoanalytic theory to denote the sexual drive or desire.

Superego

In Freudian psychoanalysis, it represents the ethical component of the personality and provides the moral standards by which the ego operates.