If Brazil has a comparative advantage relative to Cuba in the production of sugar cane, then
A) the opportunity cost of production for sugar cane is lower in Brazil than in Cuba.
B) the implicit costs of production for sugar cane are lower in Brazil than in Cuba.
C) the explicit cost of production for sugar cane is lower in Brazil than in Cuba.
D) the average cost of production for sugar cane is lower in Brazil than in Cuba.
Question 2
Over the past 50 years, deaths among children have
A) declined in most high-income countries and have remained relatively unchanged in most low-income countries.
B) declined in nearly all countries, including most low-income countries.
C) declined in most high-income countries and have risen in most low-income countries.
D) remained relatively unchanged in most high-income countries and have declined in most low-income countries.