Economists generally prefer to deal with emissions of pollutants
A. with direct controls.
B. by encouraging people not to pollute.
C. by subsidizing the installation of pollution-control equipment.
D. by taxing emissions.
Answer: D
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During the last year, foreign investment in a country was $500 billion and the country's investment abroad was $600 billion. Which of the following statements is true?
A) The country has a current account deficit of $1,100 billion. B) The country has net borrowing of $100 billion. C) The country has a current account deficit of $100 billion. D) The country has a capital and financial account deficit of $1,100 billion. E) The country has net lending of $100 billion.
An economy of 25 million people has twenty percent of them engaged in research and development, where their productivity is 0.0056. The economy is on a balanced growth path, when suddenly a wave of immigration raises the population to 27 million
Assume that the new workers are immediately "on the job," and that the fraction engaged in R&D remains twenty percent. For the one period that begins with this population increase, the growth rate of output per person is ________. [Refer to the instruction above.] A) 4.3% B) 1.8% C) 3% D) 8%
If a nation experiences severe drought and real risk-free interest rate rises, then:
a. Aggregate demand rises, and aggregate supply falls. b. Aggregate demand rises, but aggregate supply does not change. c. Aggregate demand and aggregate supply fall. d. Neither aggregate demand nor aggregate supply change. e. None of the above.
Suppose the economy's production function is Y = AK0.3N0.7. When K = 1000, N = 50, and A = 15, what is Y?
A. 750,000 B. 123 C. 1842 D. 6106