Correct answerC. A fiscal system for a group of countries involving a common fiscal budget and a system of taxes and fiscal transfers across countries
Explanation
Fiscal federalism means member states share a central budget, so taxes and transfers automatically move money towards regions hit by downturns, as happens between US states.
Correct answerB. Real wages fall rapidly in a recession and the economy moves quickly back to long-run equilibrium, so limiting the duration of the recession even when exchange rate adjustment is not possible
Correct answerC. The eurozone has a lower degree of labour mobility than the USA and labour law is much more restrictive in the eurozone than in the USA; on these measures the eurozone is less likely to be an OCA than is the USA
Discussion