In the united states, a neurosurgeon’s income may be ten times that of a school teacher. in a country with a command economy, the difference might be less than two times. how can you explain the fact that individuals doing the same work in different countries do not earn comparable salaries?

What does a most-favored-nation (mfn) status mean? a country pays the same tariffs as those paid by all mfn countries. a country has a special exemption from all tariffs in the united states. a country has special licensing agreements with u.s. corporations. a country is exempt from product standards that make it expensive for goods to be imported.

Restricting immigrants from entering a country may be based on what belief?  

Why is it necessary to obey social norms? write briefly.