The conversion of a barter economy to one that uses money
A) increases efficiency by reducing the need to exchange goods and services.
B) increases efficiency by reducing the need to specialize.
C) increases efficiency by reducing transactions costs.
D) does not increase economic efficiency.
C
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Which of the following indicates when Stage I ends and Stage II begins in the short-run production?
A) when AP = 0 B) when MP = 0 C) when MP = AP D) when MP starts to diminish
Refer to Figure 33-4. If the economy is in long-run equilibrium, then an adverse shift in aggregate supply would move the economy from
1. A to B 2. C to D 3. B to A 4. D to C
When constructing a production possibilities frontier, which of the following assumptions is not made?
a. The economy produces only two goods or two types of goods.
b. Firms produce goods using factors of production.
c. The technology available to firms is given.
d. The quantities of the factors of production that are available are increasing over the relevant time period.
If the price of good A increases from $15 to $20 per unit and quantity demanded falls from 150 to 100 units, then by using the method of average values, we can calculate the absolute price elasticity of demand to be
A. 0.75. B. 2.4. C. 2.6. D. 1.4.