When an external cost exists in the production of a good, firms tend to
A) under-produce the good since society pays these costs.
B) over-produce the good.
C) keep production constant throughout the year.
D) under-allocate resources to the production of the good.
B
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When there are two large open economies, the world real interest rate will be such that
A) desired international lending by one country equals desired international borrowing by the other country. B) desired international lending will be the same in both countries. C) desired international borrowing will be the same in both countries. D) desired international lending and borrowing will be zero in both countries.
Refer to the information. In equilibrium, saving is:
Answer the question on the basis of the following information for a private open economy. The letters Y, C, I g , X, and M stand for GDP, consumption, gross investment, exports, and imports respectively. Figures are in billions of dollars.
A. $20.
B. $30.
C. $40.
D. $50.