Answer
a) True
b) False
c) False
d) False
e) False
Work Step by Step
a) One country can have a comparative advantage on one good even if another country has an absolute advantage in producing all goods.
b) Athletes have a comparative advantage in athletic activities, but they might take more time on an activity that uses quite a bit more mental sharpness than athletic ability.
c) In some trades, both sides can benefit. The benefit from trade may not be the same for both sides, but both sides benefit.
d) Not all trades increase production or consumption.
e) A country might trade for beans when farmers in that country already produce enough beans for the country.
