اقتصاد كلي ..دوري الثاني

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Chapter 13
Aggregate Supply and Aggregate Demand
1) Which of the following does NOT affect potential GDP?
A) the quantity of money
B) the quantity of labor employed
C) the quantity of capital and human capital
D) the amount of entrepreneurial talent available
E) the quantity of land and natural resources

2) ________ increases the quantity of real GDP supplied and is shown as a movement along the AS curve.
A) A decrease in the quantity of money
B) A decrease in consumption expenditure
C) A fall in the expected rate of profit
D) A rise in the price level
E) An increase in potential GDP

3) Potential GDP
A) increases as the price level increases because firms supply more goods and services.
B) decreases as the price level increases because people demand fewer goods and services.
C) might either increase or decrease as the price level increases, depending on whether aggregate demand increases or decreases.
D) is independent of the price level.
E) never changes.

4) The aggregate supply curve shifts rightward when
A) potential GDP decreases.
B) the money wage rate falls.
C) income taxes increase.
D) government purchases increase.
E) the money wage rate rises.

5) If the price level increases from 110.0 to 115.0, the quantity of
A) real GDP supplied will increase.
B) real GDP supplied will decrease.
C) potential GDP will decrease.
D) real GDP demanded will increase.
E) potential GDP will increase.

6) Which of the following is true?
A) Aggregate supply is another name for potential GDP.
B) Potential GDP increases as the price level increases.
C) At full employment, aggregate supply is equal to potential GDP.
D) Potential GDP decreases as the price level increases.
E) The potential GDP line has a negative slope.

7) If the costs of production increase, there is
A) an increase in aggregate supply and the AS curve shifts rightward.
B) a decrease in aggregate supply and the AS curve shifts leftward.
C) an increase in the quantity of real GDP supplied and a movement up along the AS curve.
D) a decrease in the quantity of real GDP supplied and a movement down along the AS curve.
E) a decrease in aggregate supply and the AS curve shifts rightward.

8) Which of the following shifts the aggregate supply curve leftward?
A) a decrease in potential GDP
B) a fall in the money wage rate
C) a decrease in the price level
D) a fall in the real wage rate
E) an increase in potential GDP

9) If potential GDP increases, then the
A) aggregate supply curve shifts leftward.
B) aggregate supply curve shifts rightward.
C) real wage rate increases.
D) real wage rate falls.
E) aggregate demand curve shifts rightward.


10) The change reflected in the above figure might be a result of
A) a decrease in the money wage rate.
B) a decrease in the real wage rate.
C) an increase in the money wage rate.
D) an increase in the real wage rate.
E) a rise in the price level.

11) A fall in the real wage rate ________ firms' profits and leads to ________ in the quantity supplied.
A) raises; an increase
B) raises; a decrease
C) lowers; an increase
D) lowers; a decrease
E) does not change; no change

12) If the price level decreases but the money wage rate does not, then firms will hire ________ labor and the quantity of real GDP supplied will ________.
A) more; increase
B) the same amount of; not change
C) less; decrease
D) more; not change
E) less; increase

13) The aggregate supply curve is
A) upward sloping.
B) downward sloping.
C) a vertical line.
D) a horizontal line.
E) U-shaped.

14) Changes in which of the following shifts the aggregate supply curve?
i. the price level.
ii. the money wage rate.
iii. potential GDP.
A) i only
B) ii only
C) iii only
D) ii and iii
E) i, ii, and iii

15) An increase in the price level leads to
A) an upward movement along the aggregate supply curve.
B) a downward movement along the aggregate supply curve.
C) a leftward shift of the aggregate supply curve.
D) a rightward shift of the aggregate supply curve.
E) neither a movement along the aggregate supply curve nor a shift of the aggregate supply curve.

16) Moving along the aggregate supply curve,
A) the quantity of capital used increases.
B) only the price level changes.
C) technology advances.
D) the stock of human capital increases.
E) the real wage rate is constant.

17) The aggregate supply curve illustrates that the
A) higher the price level, the greater the quantity of real GDP supplied.
B) higher the price level, the smaller the quantity of real GDP supplied.
C) aggregate demand curve is not needed to determine the aggregate price level.
D) price level does not affect the quantity of real GDP supplied.
E) amount of potential GDP increases when the price level rises.