Provide a brief but clear explanation

 

1)The rapid expansion of middle class is likely to aid not only the growth of the Asian economy but also the global economy.

2)Real effective exchange rate and a country's export competitiveness are negatively related.

3)Market exchange rate is a more useful measure that the Purchasing power based exchange rate to compare Gross Domestic Product (GDP) across countries.

4)Plaza Accord is responsible for the period of lost decade in Japan.

5)Expansionary monetary policy is responsible for the bubble economy of the 1980's.