1. Why has the use of hard currency by US consumers declined in recent years? How has this impacted the money supply (M2)? 2. Which two components of aggregate demand are correlated with interest rates? Why? 3. What are two major causes of the current inflation rate? Indicate whether each is temporary or permanent. 4. Which is a better measure of economic well-being, nominal GDP or real GDP? Expla 5. Are interest rates and Mo positively or negatively correlated? Why