Recall the Application about why people walk up stairs but not escalators to answer the following
question(s).
-Weighing the benefits and costs of walking up an escalator versus standing still on an escalator addresses the economic concept known as
A)the principle of opportunity cost.
B)the marginal principle.
C)the principle of voluntary exchange.
D)the principle of diminishing returns.

Question

Quizplus · Accepted Answer

The marginal principle involves comparing the additional benefits and costs of a decision, such as choosing to walk up an escalator versus standing still.

Recall the Application About Why People Walk Up Stairs but Not