PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall Prepared by: Fernando Quijano & Shelly Tefft CASE FAIR OSTER.

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PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall Prepared by: Fernando Quijano & Shelly Tefft CASE FAIR OSTER P R I N C I P L E S O F MACROECONOMICS T E N T H E D I T I O N

2 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall

3 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall 4 Demand and Supply Applications CHAPTER OUTLINE The Price System: Rationing and Allocating Resources Price Rationing Constraints on the Market and Alternative Rationing Mechanisms Prices and the Allocation of Resources Price Floors Supply and Demand Analysis: An Oil Import Fee Supply and Demand and Market Efficiency Consumer Surplus Producer Surplus Competitive Markets Maximize the Sum of Producer and Consumer Surplus Potential Causes of Deadweight Loss from Under- and Overproduction Looking Ahead

4 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall price rationing The process by which the market system allocates goods and services to consumers when quantity demanded exceeds quantity supplied. The Price System: Rationing and Allocating Resources

5 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall The adjustment of price is the rationing mechanism in free markets. Price rationing means that whenever there is a need to ration a good—that is, when a shortage exists—in a free market, the price of the good will rise until quantity supplied equals quantity demanded—that is, until the market clears. It is very important to distinguish between the price of a product and total expenditure from that product. Total revenue or expenditure in a market is simply the number of units sold multiplied by the price. Prices and Total Expenditure: A Lesson from the Lobster Industry in E C O N O M I C S I N P R A C T I C E Lobster Prices Plummet As Maine Fishermen Catch Way Too Many Business Insider

6 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall On occasion, both governments and private firms decide to use some mechanism other than the market system to ration an item for which there is excess demand at the current price. Regardless of the rationale, two things are clear: 1. Attempts to bypass price rationing in the market and to use alternative rationing devices are more difficult and more costly than they would seem at first glance. 2.Very often such attempts distribute costs and benefits among households in unintended ways. The Price System: Rationing and Allocating Resources Constraints on the Market and Alternative Rationing Mechanisms

7 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall queuing Waiting in line as a means of distributing goods and services: a nonprice rationing mechanism. favored customers Those who receive special treatment from dealers during situations of excess demand. ration coupons Tickets or coupons that entitle individuals to purchase a certain amount of a given product per month. black market A market in which illegal trading takes place at market-determined prices. The Price System: Rationing and Allocating Resources Constraints on the Market and Alternative Rationing Mechanisms

8 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall No matter how good the intentions of private organizations and governments, it is very difficult to prevent the price system from operating and to stop willingness to pay from asserting itself. Every time an alternative is tried, the price system seems to sneak in the back door. With favored customers and black markets, the final distribution may be even more unfair than what would result from simple price rationing. The Price System: Rationing and Allocating Resources Constraints on the Market and Alternative Rationing Mechanisms

9 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall Price changes resulting from shifts of demand in output markets cause profits to rise or fall. Profits attract capital; losses lead to disinvestment. Higher wages attract labor and encourage workers to acquire skills. At the core of the system, supply, demand, and prices in input and output markets determine the allocation of resources and the ultimate combinations of goods and services produced. The Price System: Rationing and Allocating Resources Prices and the Allocation of Resources

10 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall price floor A minimum price below which exchange is not permitted. minimum wage A price floor set for the price of labor. The Price System: Rationing and Allocating Resources Price Floor

11 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall Every summer, New York City puts on free performances of Shakespeare in the Park. The true cost of a ticket is $0 plus the opportunity cost of the time spent in line. Students can produce tickets relatively cheaply by waiting in line. They can then turn around and sell those tickets to the high-wage Shakespeare lovers. The Price Mechanism at Work for Shakespeare E C O N O M I C S I N P R A C T I C E

12 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall consumer surplus The difference between the maximum amount a person is willing to pay for a good and its current market price. Supply and Demand and Market Efficiency Consumer Surplus

13 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall producer surplus The difference between the current market price and the full cost of production for the firm. Supply and Demand and Market Efficiency Producer Surplus

14 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall deadweight loss The net loss of producer and consumer surplus from underproduction or overproduction. Supply and Demand and Market Efficiency Competitive Markets Maximize the Sum of Producer and Consumer Surplus

15 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall When supply and demand interact freely, competitive markets produce what people want at least cost, that is, they are efficient. There are a number of naturally occurring sources of market failure. Monopoly power gives firms the incentive to underproduce and overprice, taxes and subsidies may distort consumer choices, external costs such as pollution and congestion may lead to over- or underproduction of some goods, and artificial price floors and price ceilings may have the same effects. Supply and Demand and Market Efficiency Potential Causes of Deadweight Loss from Under- and Overproduction

16 of 26 PART I Introduction to Economics © 2012 Pearson Education, Inc. Publishing as Prentice Hall black market consumer surplus deadweight loss favored customers minimum wage price ceiling price floor price rationing producer surplus queuing ration coupons R E V I E W T E R M S A N D C O N C E P T S