Figure 9-9 -Refer to Figure 9-9.The Change in Total Surplus in This

question 144

Multiple Choice

Figure 9-9
-Refer to Figure 9-9.The change in total surplus in this market because of trade is

• A)D,and this area represents a loss of total surplus because of trade.
• B)D,and this area represents a gain in total surplus because of trade.
• C)B + D,and this area represents a loss of total surplus because of trade.
• D)B + D,and this area represents a gain in total surplus because of trade.

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Definitions:

O2

Symbol for oxygen, a vital element necessary for respiration in most living organisms.

Prostaglandins

Lipid compounds that have diverse hormone-like effects in animals, including mediating inflammation and pain.

Surfactant

A substance that reduces surface tension, allowing for the easier exchange of gases in the lungs and preventing alveolar collapse.

Manufacturing Firms

Companies that produce and sell goods using raw materials, labor, and machinery.