Refer to Exhibit 2-9. If Alex and Adam each specialize in the good in which he has a comparative advantage and then engage in trade, ____ can consume a combination of goods that lies beyond his PPF.
a.Alex, but not Adam,
b.Adam, but not Alex
c.Alex and Adam
d.neither Alex nor Adam
Refer to Exhibit 2-8. If Maria and Maya each specialize in the good in which she has a comparative advantage and then engage in trade, ____________________ can consume a combination of goods that lies beyond her PPF.
a.Maria, but not Maya,
b.Maya, but not Maria,
c.both Maria and Maya
d.neither Maria nor Maya
The PPF between goods X and Y will be a downward-sloping
a.straight line if increasing opportunity costs exist.
b.straight line if decreasing opportunity costs exist.
c.curve that is bowed inward if increasing opportunity costs exist.
d.straight line if constant opportunity costs exist.
Suppose Andrea is taking just two courses and is at a point inside her PPF of grades for those two courses. If Andrea changes her work habits then it is impossible for
a.either one of her grades to rise.
b.both of her grades to rise.
c.both of her grades to fall.
d.either one of her grades to rise while the other grade remains constant.
e.none of the above is impossible in this situation
Suppose Andrea is taking just two courses and is at a point on her PPF of grades for those two courses. Now this PPF shifts inward and Andrea moves to a point on the new PPF. Then it is impossible for
a.both of her grades to fall.
b.both of her grades to rise.
c.one of her grades to rise and the other grade to fall.
d.one of her grades to fall while the other grade stays constant.
Between 1910 and today, the number of farmers in the United States _____________ dramatically as a result of ___________________ in farming in the twentieth century.
A person has a comparative advantage in the production of a good when they can produce the product at a(n) ________ opportunity cost compared to another person.
Michael can produce the following combinations of X and Y: 10X and 10Y, 5X and 15Y, and 0X and 20Y. Vernon can produce the following combinations of X and Y: 100X and 20Y, 50X and 30Y, or 0X and 40Y. It follows that
a.Michael has the comparative advantage in producing X and Vernon has the comparative advantage in producing Y.
b.Michael has the comparative advantage in producing Y and Vernon has the comparative advantage in producing X.
c.Neither Michael nor Vernon has a comparative advantage in producing X.
d.Neither Michael nor Vernon has a comparative advantage in producing Y.
e.There is not enough information to answer the question.