DEMAND Demand: is the quantities that people are willing and able to buy at various prices. The Law of Demand: there is an inverse relationship between price and quantity demand (P^ Qv or Pv Q^) Change in price causes a change in quantity demand Determinates causes a change in demand. The are five specific ones: Change in buyers taste. (ex. advertisement) Change in the number of buyers. (ex. population) Change in income: normal goods and inferior goods. Normal goods- goods that buyers buy more of when there income issue rise. Inferior goods- goods that buyers buy less of when there income rise. Change in the price of related goods: substitute good and complementary goods. Substitute good- goods that serve roughly the same purpose to buyers. (ex. coca-cola and pepsi.) Complementary goods- goods that are often consumed together. (ex. hamburger and fries) Change in expectations- meaning change in the futu...