1. Calculating the price elasticity of demand: A step by step guide Suppose that during the past year, the price of a laptop computer fell from $2,350 to $1,930. During the same time period, consumer sales increased from 436,000 to 537,000 laptops. Calculate the elasticity of demand between these two price-quantity combinations by using the following steps. After each step, complete the relevant part of the table with the appropriate answers. (Note: For decreases in price or quantity, enter values in the Change column with a minus sign.) Original New Average Change Percentage Change Quantity Price Step 1: Fill in the appropriate values for original quantity, new quantity, original price, and new price. Step 2: Calculate the average quantity by adding the original quantity and the new quantity and then dividing by 2. Do the same for the average price. Step 3: Calculate the change in quantity by subtracting the original quantity from the new quantity. Do the same for the change in price. Step 4: Calculate the percentage change in quantity demanded by dividing the change in quantity by the average quantity. Do the same to calculate the percentage change in price. Step 5: Calculate the price elasticity of demand by dividing the percentage change in quantity demanded by the percentage change in price, ignoring the negative sign. Using the midpoint method, the elasticity of demand for laptops is about ▼

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b) Price elasticity of demand: P₁ = $150, P₂ = $230, Q₁ = 4,000, Q₂ = 2,000. Use the midpoint formula for percent change and show all your work, then complete these sentences: ● %, When the price rose the Quantity demanded fell So demand is relatively The price elasticity of demand = %. (elastic or inelastic)

(i) InfoConsider the three demand functions in the file Elasticity. Calculate the elasticities of these three demand functions when the price of the product increases from P = $200 per unit to P = $400 per unit. Enter the elasticities as positive numbers.   Elasticity of the red demand function =   Elasticity of the green demand function =   Elasticity of the blue demand function =..

1. Answer both parts of this question. (a) Define the price elasticity of demand and briefly discuss its economic meaning. (b) For demand function x = Ap, show that price elasticity is equal to -7.

4) Provide a simple definition of the price elasticity of demand and explain why knowing the price elasticity for her product is useful to the firm's manager.

QUESTION 1 Encyclopedias were widely used back in the 1970s. Most students and scholars used the encyclopedia to find information on various topics. There was only a small percentage decrease in quantity demanded for encyclopedias in the 1970s when there was a relatively larger percentage increase in price. Today, in the age of the internet, a small percentage increase in price of encyclopedias results in a relatively larger percentage decrease in the quantity demanded. 1. The price elasticiy of demand for encyclopedias in the 1970s was relatively less elastic than today. 2. If the price for encyclopedias increased in the 1970s, the point price elasticity of demand for encyclopedias woud have been greater than 1. 3. The price elasticity of demand for encyclopedias, after the internet, is considered elastic. Which of the above statements are true? O Only 1 is true. O Only 2 is true. Only 3 is true. Both 1 and 2 are true. Both 1 and 3 are true.

Suppose that your demand schedule for books is as follows: (PHOTO) (SHOW FORMULAS, STEP BY STEP PROCEDURE) Use the midpoint method to calculate your price elasticity of demand as the price of books increases from $10 to $12 if your income is $10,000. Is it elastic or inelastic? Explain. Use the midpoint method to calculate your price elasticity of demand as the price of books increases from $10 to $12 if your income is $12,000. Is it elastic or inelastic? Explain. Calculate your income elasticity of demand as your income increases from $10,000 to 12,000 if the price is $14. Calculate your income elasticity of demand as your income increases from $10,000 to 12,000 if the price is $8.

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