a. Investment would decrease, the production function would shift downward,
productivity would decrease, and so would output.
b. Investment would increase, the production function would shift upward, productivity
would increase and output would decrease.
c. Investment would increase, the production function would shift upward, and both
productivity and output would increase.
d. Investment would decrease, the production function would shift downward, and both
productivity and output would increase.
e. Investment would increase, the production function would shift upward, productivity
would decrease and output would increase.
An industry’s typical percentage markup
a. should be expected to fluctuate wildly from year to year
b. equals 1 – (average cost per unit/average revenue per unit)
c. is determined by collusion
d. is of price concern for the macroeconomy
e. is relatively low if there is fierce competition among firms.
Which of the following will shift the aggregate supply curve upward?
a. A decrease in world oil prices
b. Bad weather, which increases farmers’ costs per unit of output
c. Increases in consumer spending
d. An increase in the price level
e. Technological changes that improve worker productivity
Diminishing marginal returns means that aggregate production function is
a. linear
b. downward sloping
c. upward sloping
d. concave