1. The United States, having adopted new technological methods in hydraulic fracturing (fracking), can drill and export gas efficiently. The United States has created a(n) ________ in the drilling and exporting of natural gas.

a. comparative disadvantage

b. comparative advantage

c. domestic advantage

d. absolute advantage

e. absolute disadvantage

2. A developing country is the only source of a particular metal. This country has a(n)

a. absolute advantage.

b. comparative advantage.

c. domestic advantage.

d. comparative disadvantage.

e. absolute disadvantage.