PPT-Supply and Demand Chapter 3

THIRD EDITION ECONOMICS and MACROECONOMICS Paul Krugman Robin Wells What a competitive market is and how it is described by the supply and demand model What the demand curve and supply curve . © Peter . Berck . 2012. Lecture Outline. Goods. People Demand Goods; . Shift in demand. Firms . Supply Goods; . Keep Supply and Demand Separate. Demand and Supply intersect at the equilibrium price and . SEDSI, 02/29/2012, Columbia, SC. Forrest Stegelin. Agricultural and Applied Economics. University of Georgia. The “Buy-Local” Movement. Specialty crop market . for fresh fruits and vegetables is bolstered by positive media press, the new “. . Presented by Paul . Sumade. . Lee. Chairman, International Rubber Association. . 28. May 2015, Shanghai, China. Agenda . SECTION . 1. . SECTION . 2. . SECTION 3. SECTION 4. Global Supply and Demand. Introduction to Demand. In the United States, the forces of supply and demand work together to set prices. . Demand. is the desire, willingness, and ability to buy a good or service.. one individual consumer OR. Wonka. Learning Target #5. I can explain . how the prices of goods and services are determined by supply and demand.. Let’s review:. SUPPLY = how much or how many of a good or service is available. AP Economics. Ms. . LaRosa. What would you be willing to buy?. How many bags of your favorite candy would you be willing to buy at each of the following prices over one-week?. $1. $2.50. $5. What is Demand?. The Basic Decision-Making Units. A . firm. is an organization that transforms resources (inputs) into products (outputs). Firms are the primary producing units in a market economy.. An . entrepreneur. Today:. Aggregate demand. Why is it downward sloping?. Factors that affect the aggregate demand. Aggregate supply. Long-run aggregate supply. Short-run aggregate supply. Why is it upward sloping?. Factors that affect the short-run aggregate supply. . by Wiley Miller. . . MARKETS. Institution that brings together . buyers (DEMAND) . and sellers (SUPPLY) of resources, goods and services. DEMAND is. Amount of a good or service consumers are . Essential Question:. What are demand and supply, and what factors influence them?. Demand and price. Demand comes at a price. . Burger. . . Quantity. demanded . – amount of a good/service consumers are willing to pay . price. Demand. Desire to want something and the ability to pay for it. Law of Demand. When the price of goods goes down, then demand goes up and if the price goes up, then demand goes down. Graphing Demand. Theories and Predictions. We need to be able to predict the consequences of . alternative . policies, and. e. vents that may be outside our control. The mental tool we use to make such predictions is called a . Demand and Supply are . most fundamental concepts of economics and it is the backbone of a market . economy.  . Demand . refers to how much (quantity) of a product or service is desired by buyers. . Productive Resources. Human and Nonhuman. Resources. Introduction. Productive assets are bought and sold in resource markets.. These markets help determine what is produced, how it is produced, and the distribution of income..