During 1980-2010, the per-capita incomes of less-developed countries (LDCs)
a. grew rapidly.
b. declined.
c. were virtually unchanged.
d. registered a mixed growth record; some grew rapidly while others stagnated.
D
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Illegal immigrants make up about what percent of all agricultural workers in the U.S.?
A. 10% B. 5% C. 40% D. 25%
Suppose the nation of Arcadia produces only two goods, teapots and surfboards. If Arcadia produces only teapots, it can make 40 per day. If Arcadia produces only surfboards, it can make 60 per day
What is the opportunity cost of 1 teapot in Arcadia? A) 2/3 of a surfboard B) 1.5 surfboards C) 40 surfboards D) 60 surfboards
If the price of tangerines increases, the price of oranges also rises because
A) buyers' incomes must have decreased, and oranges are an inferior good. B) if the supply of tangerines decreased, then the supply of oranges also must decrease. C) buyers must have expected a higher price for oranges and thus increased their demand for oranges. D) consumers consider the two goods complements, and so sellers decreased the supply of oranges. E) consumers consider the two goods substitutes, and demand for oranges increases.
The table above shows the total product schedule for Rick's Lawn Service, a yard care company. Increasing marginal returns
A) end when the fourth worker is hired. B) occur at all levels of employment. C) occur as long as output increases. D) end when the second worker is hired. E) never occur.