Aggregate Demand Please review the topics called The Aggregate demand and aggregate supply model and the Aggregate Expenditures model. a. List and thoroughly explain the three reasons the Aggregate Demand curve is downward sloping. i. In your explanation, please start with an increase in prices and work through to a decrease in AD. b. List and explain in detail, the components of Aggregate Demand and explain each of their determinants. i. You studied the 4 components. List and explain them and under each list and explain the determinants of each. The basic macroeconomic relationships introduced several key concepts. Please review the topic called Basic Macroeconomic Relationships. a. Please explain in detail the relationships between income, consumption, savings, and GDP. Define each ii. Explain the relationship between these items. b. Please explain in detail the relationships between interest rates, expected rates of return, investment, and GDP. Be specific and be thorough. 1. All of the necessary info is provided in the slides and audio lectures