1. Demand
   1. determent by quantity and price which can vary
2. Macroeconomics
   1. Concentrates on ALL of a nations production
   2. AD is an important aspect of macroeconomics
   3. Three questions
      1. Why did the economy slow this year?
      2. Why did the recovery begin?
      3. How strong will the recovery be?
3. Microeconomics
   1. concentrate on one good
4. GDP
   1. all final goods and services produced in a nation
      1. Goods
         1. Tangible things that are produced
      2. Service
         1. Intangible