Which of the following explains most accurately why the firm's short-run marginal cost curve will eventually rise?
a. As more of the variable factor is used, its price will rise.
b. When diminishing marginal returns set in, it will take ever-larger quantities of the variable resources to produce an additional unit of output.
c. As the variable factor is used more intensely, its marginal product will rise, causing an increase in marginal costs.
d. As the size of the firm increases, the operational efficiency of the firm declines, causing an increase in marginal costs.
B
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Suppose the president is successful in passing a $5 billion tax increase. Assume that taxes are fixed, the economy is closed, and the marginal propensity to consume is 0.75. What happens to equilibrium GDP?
A) There is a $20 billion decrease in equilibrium GDP. B) There is a $15 billion decrease in equilibrium GDP. C) There is a $15 billion increase in equilibrium GDP. D) There is a $20 billion increase in equilibrium GDP.
Suppose velocity is constant at 4, real output is 10, and the price level is 2. From this initial situation, the government increases the nominal money supply to 6. If velocity and output remain unchanged, by how much will the price level increase?
A) 2.4% B) 20% C) 24% D) 50%