In Country Z, the government simultaneously increases its expenditures by $25 billion and increases taxes by $25 billion. If the MPS is equal to 0.2, the government's action ________ real GDP by ________
A) increases; $125 billion
B) increases; $25 billion
C) increases; $100 billion
D) has no effect on; $0
Ans: B) increases; $25 billion
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Natural pollutants
a. include such releases as hazardous chemical wastes b. arise from nonartificial processes in nature, such as pollen c. refer to those associated with human activity such as fossil-fuel combustion d. all of the above
In a Keynesian model, what are the short-run effects on output, the real interest rate, and the real exchange rate, for both the domestic economy and a foreign economy, of a decline in investment?
What will be an ideal response?
For a monopolist that does not price discriminate, economic profit is maximized in the short run at a price of $140 . Marginal revenue at that output level is
a. equal to $140. b. greater than $140. c. less than $140. d. less than marginal cost. e. greater than average revenue.
When looking at a graph of aggregate demand, which of the following is correct?
a. There are nominal variables on both the vertical and the horizontal axes. b. There are real variables on both the vertical and horizontal axes. c. The variable on the vertical axis is nominal; the variable on the horizontal axis is real d. The variable on the vertical axis is real; the variable on the horizontal axis is nominal