1. Because of differences in culture and language, it is not surprising that:

Group of answer choices

Eurozone nations are opposed in theory to the currency union but accept it in practice.

Eurozone nations tend to be more homogeneous than states in the United States.

demand shocks tend to be symmetric, whereas supply shocks are asymmetric.

the year-to-year flow of people between states in the United States is larger than the same flow between member nations in the Eurozone.

2. Improvements to infrastructure required for trade among nations would __________ opportunities for arbitrage and ____________ PPP.

Group of answer choices

raise; move countries further away from

reduce; move countries further away from

raise; move countries closer to

not impact; have no effect on.

Also please explain why other options are incorrect