Problem 1: What is aggregate consumption? What does it depend on? (explain everything about it); its formula and etc.
Problem 2: What are investments from a macroeconomic point of view? What do they depend on? (Explain everything about it)
Problem 3: Explain import and export. What are their impact on economy?
Problem 4: What is Deflation? What's the Difference from Inflation?
Problem 5: What is Interest Rate? Explain its connection to deflation and inflation\