The Aggregate Demand Curve Is

question 156

Multiple Choice

The aggregate demand curve is

• A) vertical under conditions of full employment.
• B) horizontal when there is considerable unemployment in the economy.
• C) downsloping because of the interest-rate, real-balances, and foreign purchases effects.
• D) downsloping because production costs decrease as real output rises.

---

Definitions:

Behavioral Genetics

studies the role of genetics and the environment in influencing behavior, examining how heredity interacts with experience to shape who we are.

Identical Twins

Siblings who are genetically identical to each other because they were conceived from the same egg and sperm, and hence share all of their genes.

Fraternal Twins

Twins who are born at the same time but developed from two different eggs fertilized by two different sperm, resulting in genetically distinct siblings.

Genetics

The study of genes, genetic variation, and heredity in living organisms, and how these affect physical and behavioral traits.