Which of the following statements is trueabout scarcity?
A) Scarcity refers to the situation in which unlimited wants exceed limited resources.
B) Scarcity is not a problem for the wealthy.
C) Scarcity is only a problem when a country has too large a population.
D) Scarcity arises when there is a wide disparity in income distribution.
Which of the following will result in an increase in labor productivity?
A) a decrease in the number of people attending institutions of higher education
B) a decline in the amount of human capital per worker
C) an increase in technology
D) a decline in the capital stock per hour worked
If real GDP in a closed economy is $40 billion, consumption is $20 billion, and
government purchases are $10 billion, what is investment?
A) $10 billion
B) $30 billion
C) $40 billion
D) $70 billion