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Types of Economic Systems Supply and Demand Price Supply and Demand • Demand – the amount or quantity of goods and services that consumers are willing to buy at various prices • Supply – the amount of goods and services that producers will provide at various prices • Equilibrium price – where quantity demanded and quantity supplied meet Demand Curve for new iPhone 5 1200 Price per phone $ 1000 800 600 400 200 0 1 2 3 4 5 6 7 8 Numbers of phones demanded (in thousands) 9 10 Supply Curve for new iPhone 5 $900.00 $800.00 Cost of iPhone $700.00 $600.00 $500.00 $400.00 $300.00 $200.00 $100.00 $1 2 3 4 5 6 7 8 Number of phones demanded (in thousands) 9 10 Market Economy • Economic decisions are made in the marketplace according to the laws of supply and demand • Marketplace – anywhere money changes hands • Also called – private enterprise system; capitalism – Resources privately owned – You decide how to run business; what to sell; what to charge; where to shop Command Economy • A central authority makes the key economic decisions; usually the government or state • Also called planned or managed economy • A strong command economy is known as communism-state makes all economic decisions and controls all resources for the common good • A moderate command economy is known as socialism-state owns major resources and makes key economic decisions – Some form of private enterprise; individuals may own some businesses Mixed Economy • A combination of market economy and command economy • State (government) takes care of people’s needs while the marketplace takes care of people’s wants • U.S. has a mixed economy – Government – defense, education… – Marketplace – cars, computers, fast food…