Which of the following statements best describes the changes in life expectancy between 1940-2000 in the US?
a. The life expectancy of females increased substantially but there was little change for males.
b. The life expectancy of African American males is higher than that of African American females, but the life expectancy of white males is lower than that of white females.
c. The life expectancies of people of all races has remained about the same as advances in health have been offset by declines due to environmental factors.
d. The life expectancy of people with Down's Syndrome grew by about 25 times, and the life expectancy of African Americans grew faster than the life expectancy of whites.
d. The life expectancy of people with Down's Syndrome grew by about 25 times, and the life expectancy of African Americans grew faster than the life expectancy of whites.
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Which of the following impacts of the terrorist attacks of September 11, 2001, would not show up as a direct loss to GDP?
a. The loss of jobs in the WTC b. The loss of restaurant income near ground zero c. The loss of WTC itself d. The loss of rental income to landlords for buildings near ground zero e. The loss of jobs in the surrounding area.
If a firm is hiring inputs under purely competitive conditions, then any level of output will be produced with the least-cost combination of resources A and B when:
A. MU of A/price of A = MU of B/price of B B. MRP of A = MRP of B C. The price of A equals the price of B D. MP of A/price of A = MP of B/price of B