1 Price Elasticity of Demand 1 14.01 Principles of Microeconomics‚ Fall 2007 Chia-Hui Chen September 10‚ 2007 Lecture 3 Elasticities of Demand Elasticity. Elasticity measures how one variable responds to a change in an other variable‚ namely the percentage change in one variable resulting a one percentage change in another variable. (The percentage change is independent of units.) Outline 1. Chap 2: 2. Chap 2: 3. Chap 2: 4. Chap 2: Price Elasticity of Demand Income Elasticity of Demand
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Section One: Multiple Choice 1. If a 20% decrease in the price of long-distance phone calls leads to a 35% increase in the quantity of calls demanded‚ you may conclude that the demand for phone calls is a. elastic b. inelastic c. unit elastic d. stretchy elastic 2. Which of the following pairs are examples of substitutes? a. Popcorn and soda b. Automobiles and bicycles c. Boats and fishing tackle d. Wine and cheese 3. If a price in a competitive market is “too high to clear the market
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Relationships of Changes in Price‚ Price Elasticity and Total Revenue 1. By definition‚ total revenue (TR) is obtained by multiplying quantity demanded of a product (Qx) by price (Px)‚ that is‚ TR = Qx Px. (1) In class‚ by taking the derivative of the above total revenue equation with respect to price (dTR/dPx)‚ we obtain the following general functional relation: dTR/dPx = Qx (1 + Ep) (2). In Equation (2)‚ Ep represents the price elasticity of demand. Since Ep is
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In-class exercises – Tute 3 - Elasticities & Welfare Price elasticity of demand: How to calculate Sign and sizes – illustration by demand curve E & TR Determinants/factors MCQs: 1. Question 4 (Quiz - topic 3): If Sam‚ the Pizza Man‚ lowers the price of his pizzas from $6 to $5 and finds that sales increase from 400 to 600 pizzas per week‚ then the demand for Sam’s pizzas in this range is: a. price inelastic. b. price elastic. c. unit elastic. d. cross elastic. e. income inelastic
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MBAAF 601 Managerial Economics Problem Set # 2 Demand‚ Supply and Elasticity 1. Draw a circular-flow diagram. Identify the parts of the model that correspond to the flow of goods and services and the flow of dollars for each of the following activities. a. Sam pays a storekeeper $1 for a quart of milk. b. Sally earns $4.50 per hour working at a fast food restaurant. c. Serena spends $7 to see a movie. d. Stuart earns $10‚000 from his 10 percent ownership of Acme Industrial
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Economics Research Report: The Price Elasticity of Demand The Price Elasticity of Demand: 1. Introduction: Price elasticity of demand is an economic measure that is used to measure the degree of responsiveness of the quantity demanded of a good to change in its price‚ when all other influences on buyers remain the same. Elasticity of demand helps the sales manager in fixing the price of his product‚ deciding the sales
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practical application of Price elasticity and Income elasticity of demand. Practical application of price elasticity of demand is as follows: • Production planning - It helps the producer to decide about the volume of production. If the demand for his products is inelastic‚ specific quantities can be produced while he has to produce different quantities if the demand is elastic. • Helps in fixing the prices of different goods - It helps a producer to fix his price of his product. If the demand
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MARKETING ENGINEERING FOR EXCEL • CASE • VERSION 1.0.2 Case Ford Hybrid Car Case By Arvind Rangaswamy 1. Before beginning any case‚ students should familiarize themselves with the model being used. Marketing Engineering for Excel comes with tutorials that demonstrate the capability of each model. The tutorial can be found under each model within the ME►XL menu after starting Excel. These tutorials are designed to work with our OfficeStar examples which are located in
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Price elasticity of demand and practical application. Price elasticity of demand Price elasticity of demand is a measure to show the responsiveness‚ or elasticity‚ of the quantity demanded of a good or service to a change in its price. More precisely‚ it gives the percentage change in quantity demanded in response to a one percent change in price ( i.e. holding constant all the other determinants of demand‚ such as income). Practical application of price elasticity : Practical application
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of Price elasticity and Income elasticity of demand. Ans: There are many practical applications of price elasticity and Income elasticity of demand which are discussed as below. (A) Practical application of price elasticity of demand : 1. Production planning: It helps a producer to decide about the volume of production. When the demand is elastic‚ a producer has to produce different quantity of product and fixed quantity when the demand is inelastic. 2. It helps in fixing the prices of
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