中密苏里州立大学：《经济学原理——曼昆经济学原理》课程PPT教学课件（英文版）Chapter 4 The Market Forces of Supply and Demand

The market forces of Supply and Demand Chapter 4 Copyright o 2001 by Harcourt, Inc All rights reserved. Requests for permission to make copies of any part of the work should be mailed to Permissions Department, Harcourt College Publishers 6277 Sea harbor Drive. Orlando Florida 32887-6777

The Market Forces of Supply and Demand Chapter 4 Copyright © 2001 by Harcourt, Inc. All rights reserved. Requests for permission to make copies of any part of the work should be mailed to: Permissions Department, Harcourt College Publishers, 6277 Sea Harbor Drive, Orlando, Florida 32887-6777

The market Forces of Supply and Demand Supply and demand are the two words that economists use most often Supply and demand are the forces that make market economies work Modern microeconomics is about supply, demand, and market equilibrium. Harcourt, Inc. items and derived items copyright o 200l by harcourt, Inc

Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. The Market Forces of Supply and Demand Supply and demand are the two words that economists use most often. Supply and demand are the forces that make market economies work. Modern microeconomics is about supply, demand, and market equilibrium

Markets A market is a group of buyers and sellers of a particular good or service. The terms supply and demand refer to the behavior of people .. as they interact with one another in markets Harcourt, Inc. items and derived items copyright o 200l by harcourt, Inc

Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Markets A market is a group of buyers and sellers of a particular good or service. The terms supply and demand refer to the behavior of people . . . as they interact with one another in markets

Markets Buyers determine demand. Sellers determine supply Harcourt, Inc. items and derived items copyright o 200l by harcourt, Inc

Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Markets Buyers determine demand. Sellers determine supply

Market Type: A Competitive Market A competitive market is a market. with many buyers and sellers that is not controlled by any one person in which a narrow range ofprices are established that buyers and sellers act upon Harcourt, Inc. items and derived items copyright o 200l by harcourt, Inc

Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Market Type: A Competitive Market A competitive market is a market. . . with many buyers and sellers. that is not controlled by any one person. in which a narrow range of prices are established that buyers and sellers act upon

Competition Perfect and otherwise Perfect Competition Products are the same Numerous buyers and sellers so that each has no influence over price Buyers and sellers are price takers Harcourt, Inc. items and derived items copyright o 200l by harcourt, Inc

Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Competition: Perfect and Otherwise Products are the same Numerous buyers and sellers so that each has no influence over price Buyers and Sellers are price takers Perfect Competition

Competition Perfect and otherwise Monopoly One seller, and seller controls price Oligopoly Few sellers Not always aggressive competition Harcourt, Inc. items and derived items copyright o 200l by harcourt, Inc

Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Competition: Perfect and Otherwise Monopoly One seller, and seller controls price Oligopoly Few sellers Not always aggressive competition

Competition Perfect and otherwise Monopolistic Competition Many sellers Slightly differentiated products Each seller may set price for its own product Harcourt, Inc. items and derived items copyright o 200l by harcourt, Inc

Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Competition: Perfect and Otherwise Monopolistic Competition Many sellers Slightly differentiated products Each seller may set price for its own product

Demand Quantity demanded is the amount of a good that buyers are willing and able to purchase Harcourt, Inc. items and derived items copyright o 200l by harcourt, Inc

Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Demand Quantity demanded is the amount of a good that buyers are willing and able to purchase

Law of demand TThe law of demand states that there is an inverse relationship between price and quantity demanded Harcourt, Inc. items and derived items copyright o 200l by harcourt, Inc

Harcourt, Inc. items and derived items copyright © 2001 by Harcourt, Inc. Law of Demand The law of demand states that there is an inverse relationship between price and quantity demanded