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Macroeconomics in the Global Economy Spring 2022 Midterm Exam This is a 60-minute exam. 1.
The economy of Arrakis experienced a 4% real GDP growth rate and a 6% inflation rate last year. What was the nominal GDP growth rate? Choose one. a.
-2% b.
2% c.
5% d.
10% 2.
Suppose we live in a closed economy. Then, the GDP accounting equation is Y = C + I + G
, where Y
, C
, I
, and G
are all greater than 0. Which of the following statements about savings, S, is not
correct? Choose all that apply. a.
S = I b.
S = Y – C – G c.
S = Y – C d.
S = NX 3.
Old individuals tend to save more than young individuals, keeping interest rates fixed. Assume that aging population affects only the saving schedule, while leaving the investment schedule unaffected. What do you expect to observe in a country like Japan where the average age has risen? Choose one. a.
Lower interest rates and higher savings/investments b.
Higher interest rates and higher savings/investments c.
Lower interest rates and lower savings/investments d.
Higher interest rates and lower savings/investments 4.
Suppose the economy experiences a recession because of a temporary decrease in consumers’ confidence. The Central bank wants to stimulate the economy by increasing the availability of credit. Which of the following operations will not help the Central bank pursue its goal? Choose one. a.
Decrease the reserve requirements for commercial banks b.
Decrease the interest rate paid on excess reserves to commercial banks c.
Purchase government bonds from commercial banks d.
Sell government bonds to commercial banks
5.
Which of the following statements about the distributional consequences of inflation is correct? Choose one. a.
Inflation tends to favor borrowers relative to lenders b.
Inflation tends to favor workers relative to recipients of fixed pensions c.
Inflation tends to favor wealthier individuals who own assets rather than poorer individuals d.
All the above options are correct 6.
Consider the growth accounting method and assume that the aggregate production function is ࠵? = ࠵?࠵?
!.#
࠵?
!.$
where ࠵?
is real output, ࠵?
is the total amount of capital and ࠵?
is the total number of workers. What is the rate of growth of capital per worker for a country that has 7% growth in income per worker and 5% growth in TFP? Choose one. a. 2% b. 10% c. 20% d. 5% 7.
The Black Death wiped out around a third of the population of Europe in the mid 1300s. Suppose the economy of Europe behaves according to the Solow model. Other than affecting the number of workers in the economy, assume it left the capital stock, the production technology, the saving rate, the depreciation rate, and the long-run growth rate of population unchanged. What does the Solow model predict should happen? Choose one. a.
Output per worker will decrease in the short-run and in the long-run b.
Output per worker will increase in the short-run and return to the original level in the long-run c.
Output per worker will increase both in the short-run and in the long-run d.
Output per worker will decrease in the short-run and return to the original level in the long-run N Not Applicable: We didn’t cover Solow!
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