Refer to the above table. What is the marginal utility of the fourth unit?
A.36
B.44
C.80
D.116
8) As the economy recovers from a recession, economists expect its:
A.Imports to grow, and therefore its trade deficit would also grow
B.Exports to grow, and therefore its trade deficit would shrink
C.Imports and exports to grow at roughly the same rate, so its trade deficit will stay
constant
D.Imports and exports to start declining, therefore its trade deficit will also decline a
little bit
9)
Refer to the diagrams. Diagram (A) represents:
A.equilibrium price and quantity in a purely competitive industry.
B.the pure monopoly model.
C.an industry in which there is productive efficiency but not allocative efficiency.
D.a single firm operating in a purely competitive industry.
10) When the price of a product falls for a normal good, the:
A.Income and substitution effects will encourage consumers to purchase more of the
product
B.Income and substitution effects will encourage consumers to purchase less of the
product
C.Substitution effect will encourage consumers to purchase less of the product and the
income effect will encourage them to purchase more
D.Substitution effect will encourage consumers to purchase more of the product and the
income effect will encourage them to purchase less