If a Migratory Bird Is Kept in a Laboratory Room

question 233

Multiple Choice

If a migratory bird is kept in a laboratory room with constant temperature and 12 hours of light each day, when does it show migratory restlessness?

• A) steadily at all times
• B) never
• C) at approximately the correct time of year for migration
• D) at random intervals throughout the year

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Definitions:

Giffen Good

Good whose demand curve slopes upward because the (negative) income effect is larger than the substitution effect.

Substitution Effect

The alteration in consumer behavior as a result of variations in the relative costs of products, driving consumers to shift from higher-priced items to those that are more affordable.

Increase In Price

occurs when the cost of goods or services rises, affecting consumer purchasing power and potentially leading to changes in supply and demand dynamics.

Income Effect

Variations in the income levels of an individual or the broader economy, and how these variations influence the demand for specific goods or services.