When Demand Is Perfectly Inelastic

question 145

Multiple Choice

When demand is perfectly inelastic:

• A) the demand curve is perfectly vertical.
• B) the demand curve is perfectly horizontal.
• C) the measured elasticity is exactly −1.
• D) the response to a change in price is immediate.

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Definitions:

Endocrine System

A network of glands in the body that secrete hormones directly into the circulatory system to regulate the body's growth, metabolism, and sexual development and function.

Billion

A numerical value equal to 1,000 million in the American system, and 1,000,000 million in systems that use the long scale.

Adult Brain

The matured human brain, fully developed and capable of complex cognitive, emotional, and behavioral processing.

Cells

The basic structural, functional, and biological units of all living organisms.