Oligopolies occur when which of the following happens?
a. When each firm has a small share of sales
b. When one firm has all or the majority of sales
c. When a few firms have all or the majority of sales
d. When a few firms have a small share of sales
c. When a few firms have all or the majority of sales
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Suppose a nation has a total population of 50,000,000. Out of that, 50% are in the labor force and 23,000,000 people are employed. What is the nation's unemployment rate?
A) 4.0% B) 8.0% C) 12% D) 14%
Knowing how to translate between present and future value can be useful when:
A. the benefits and opportunity cost occur at different times. B. there are no benefits and costs. C. there are benefits and costs occurring at the same time. D. the current costs are higher than the present benefits.
Suppose the MPC is 0.9 . There are no crowding out or investment accelerator effects. If the government increases its expenditures by $30 billion, then by how much does aggregate demand shift to the right? If the government decreases taxes by $30 billion, then by how far does aggregate demand shift to the right?
a. $283 billion and $254.7 billion b. $283 billion and $283 billion c. $300 billion and $270 billion d. $300 billion and $300 billion
When the dollar depreciates, each dollar buys
a. more foreign currency, and so buys more foreign goods. b. more foreign currency, and so buys fewer foreign goods. c. less foreign currency, and so buys more foreign goods. d. less foreign currency, and so buys fewer foreign goods.