Global warming of the past century, and especially in the past decade, is at least partly a consequence of human activities that have increased ____ in the atmosphere
a. smog
b. PCBs
c. ozone
d. "greenhouse gases"
d
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Starting at point A, a reduction in government spending would cause
a. the quantity of loanable funds traded to increase to $125 and the interest rate to rise to 7% (point C). b. the quantity of loanable funds traded to decrease to $75 and the interest rate to fall to 5% (point B). c. the quantity of loanable funds traded to increase to $125 and the interest rate to fall to 5% (point D). d. the quantity of loanable funds traded to decrease to $75 and the interest rate to rise to 7% (point E).
Which of the following statements is true about profit?
A) Profit refers to the revenue received from the sale of a quantity of goods. B) The terms "accounting profit" and "economic profit" can be used interchangeably. C) Profit is calculated by multiplying price and quantity sold. D) Profit is the difference between revenue and cost.
What would happen in the market for laser eye surgery if insurance companies started to cover a portion of the price of voluntary procedures?
A) Demand and supply will both increase. B) Demand will increase, but this will not shift the supply curve. C) Supply will increase, but this will not shift the demand curve. D) Demand will increase and supply will decrease.
Large income differences will be eradicated if the market mechanism is working well.
Answer the following statement true (T) or false (F)