Transaction cost theory helps executives decide whether to pursue a integration strategy or not.

a. forward
b. forward vertical
c. forward horizontal
d. backward
e. backward horizontal

In north korea, a farmer’s income is the same as a dentist’s income. in a country with a mixed or market economy, the difference between those two professions might be more than 5 times different. how can you explain the fact that individuals doing the same work in different countries do not earn comparable salaries?