Which of the following is true for the world as a whole?
a. During the past 200 years, the income per person of the world has increased sharply, but there has been little change in the years of life expectancy at birth.
b. During the past 200 years, the years of life expectancy at birth has increased sharply, but there has been little change in the world's income per person.
c. During the 800 years between 1000 and 1800, the increases in both world income per person and life expectancy at birth were small, but both of these indicators have increased sharply during the past 200 years.
d. Both income per person and life expectancy rose steadily during 1000-1800, but neither of these indicators have increased much during the past 200 years as the population of the world has become larger and larger.
C
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What is the main goal of most people in a nation that has a traditional economic system?
a. to make a significant profit b. to produce weapons instead of consumer goods c. to produce innovative new products that improve the quality of life d. to survive and not starve to death
The rational expectations hypothesis is based on the assumption that
A. most firms operate in a less than competitive environment. B. individuals combine effects of past policy actions with their own judgment about future policy effects and changes when forming their expectations. C. individuals adapt in response to past policy actions and changes without looking ahead when forming their expectations. D. firms pay above equilibrium wages to their employees.
The present value of $100 to be received one year from now
A) is $100. B) is $110. C) is $90. D) cannot be determined without knowing the interest rate.
Acid rain is an example of
a. local pollution c. regional pollution b. global pollution d. natural pollution