Tswana men in southern Africa can __________ if they manage to acquire a greater number of wives
a. produce greater farm surpluses
b. become tribal leaders
c. stop working
d. distribute more food in reciprocal exchanges
Answer: a
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If a monopolist is producing the profit-maximizing output level and at this output level, the marginal cost is $5 and the profit-maximizing price is $12, what is the markup?
A) 1.25 B) 0.42 C) 3 D) 2.4
Intensive agriculture
A. can actually breed greater ecological diversity. B. is not ecologically destructive when it is done with fuel-efficient machinery. C. has a significant impact on the environment, but this impact is very localized and can be controlled. D. is an ecological improvement over sectorial fallowing. E. has significant environmental effects, such as deforestation, water pollution, and reduction of ecological diversity.
Which of the following provides the best-documented example of the evolutionary role of infectious disease in humans?
a. Bubonic plague b. Malaria c. Tuberculosis d. Smallpox e. Influenza
Refer to the figure below. At the 70th unit of action, which of the following is true?
A) Marginal benefit exceeds marginal cost.
B) Total losses are minimized.
C) Marginal cost exceeds marginal benefit.
D) Total gains are maximized.