Which of the following subcomponents of GDP can be either positive or negative?
a. inventory investment
b. exports
c. government purchases
d. All of the above are correct.
a
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Saving is an example of
A) a stock concept. B) a flow concept. C) a depreciation concept. D) an investment concept.
Suppose a firm pollutes a river when it produces a product. To achieve the efficient amount of output, a government could impose a ________ that equals the ________ of the pollution
A) pollution charge; marginal social cost B) pollution charge; marginal external cost C) pollution tax; marginal social cost D) pollution tax; marginal external cost E) pollution subsidy; marginal social cost
A hypothetical open economy has a marginal propensity to import (MPI) equal to 0.2 and a marginal propensity to consume equal to 0.7 . Assume that the economy is initially in equilibrium. What is the marginal propensity to save of this economy?
a. 0.2 b. 0.3 c. 0.7 d. 0.9 e. 0.6
The kinked demand curve model of oligopoly explains why oligopoly
a. firms cannot maximize their profits b. firms do not lower prices to increase market share c. firms tend to increase price d. firms tend to decrease price to their minimum ATC e. tends to generate a higher economic profit than in any other market structure