Market Economies at Work: Supply and Demand
Demand The Desire for a Good or Service and the Ability to Pay for It
Law of Demand When Prices Fall Consumers Buy More When Prices Rise Consumers Buy Less
Demand Schedules and Curves
The Law of Diminishing Marginal Utility The Benefit from each Individual Unit Tends to decline
Factors Affecting Demand Income Market Size Consumer Taste Consumer Expectations Substitutes Complements
The Responsiveness of Consumers to Changes in Price in a Market Elasticity of Demand The Responsiveness of Consumers to Changes in Price in a Market
What Determines Elasticity Substitute Goods/Services Proportion of Income Necessities vs Luxuries
Calculating Elasticity Businesses Have to Calculate Elasticity Should they put Products on Sale? Will it increase the Number Sold? Total Revenue Test: Will Selling More Products at a Lower Price Make you More Money?
Supply The Willingness and Ability of Producers to Offer Goods and Services for Sale
Law of Supply Producers are Willing to Sell More of a Good/Service at a High Price than a Low One
Supply Schedules and Curves
Cost of Production Labor Affects Production: Efficiency and Utilization
Costs of Production Fixed Costs Variable Costs
Factors Affecting Supply Input Costs Labor Productivity Technology Government Action Producer Expectations Number of Producers
The Responsiveness of Producers to Price Changes Elasticity of Supply The Responsiveness of Producers to Price Changes
Demand, Supply & Prices
Demand > Supply = Shortage Supply > Demand = Surplus Shortage vs Surplus Demand > Supply = Shortage Prices Supply > Demand = Surplus Prices
Reaching Equilibrium Price 40 Salads $10 each Sells only 10 15 Salads $4 each 50 requests 25 Salads $6 each Sells 25 Equilibrium Reached
Equilibrium Price in Real Life Demand or Supply Equilibrium Price Demand or Supply Equilibrium Price
Prices as Signals & Incentives Competitive Pricing Prices and Producers Prices and Consumers $20 $13 Rising Prices? Enter Market Falling Prices? Leave Market Low Price? BUY!!! High Price? DON’T BUY!!!
High Price as Signal to Buy?
Intervention in the Price System Price Ceilings Price Floors
Rationing Resources & Products World War II (other crises) Black Markets Unplanned Results of Rationing, or other government regulation