Podcast
Questions and Answers
What best describes a demand curve that is elastic?
What best describes a demand curve that is elastic?
- An increase in price leads to a significant decrease in quantity demanded. (correct)
- An increase in price does not affect quantity demanded at all.
- An increase in price leads to an increase in quantity demanded.
- An increase in price leads to a minor decrease in quantity demanded.
What is true about the price elasticity of supply?
What is true about the price elasticity of supply?
- It measures how responsive the quantity supplied is to price changes. (correct)
- It only applies to luxury goods and not necessities.
- It remains constant regardless of market conditions.
- It indicates how much demand changes when prices rise.
How do linear demand or supply curves compare if they pass through the same point?
How do linear demand or supply curves compare if they pass through the same point?
- Both curves have the same elasticity at that point.
- The curve that is steeper is more elastic.
- The elasticity cannot be determined without more information.
- The curve that is flatter is more elastic. (correct)
Which factor does NOT influence the price elasticity of demand?
Which factor does NOT influence the price elasticity of demand?
What happens when demand is inelastic?
What happens when demand is inelastic?
What does it indicate if the price elasticity of demand is less than 1?
What does it indicate if the price elasticity of demand is less than 1?
What happens in the case of perfectly elastic demand?
What happens in the case of perfectly elastic demand?
How is total revenue affected if demand is elastic?
How is total revenue affected if demand is elastic?
In the calculation of price elasticity of demand, how is the percentage change in quantity demanded calculated?
In the calculation of price elasticity of demand, how is the percentage change in quantity demanded calculated?
Which of the following statements is true regarding unit-elastic demand?
Which of the following statements is true regarding unit-elastic demand?
If the price of a good rises and the demand is inelastic, what is the likely effect on total revenue?
If the price of a good rises and the demand is inelastic, what is the likely effect on total revenue?
What is an indication of price inelastic demand?
What is an indication of price inelastic demand?
Why do economists estimate price elasticity of demand?
Why do economists estimate price elasticity of demand?
What components contribute to the overall impact on total revenue when a seller raises prices?
What components contribute to the overall impact on total revenue when a seller raises prices?
For a good with unit-elastic demand (price elasticity of demand = 1), how does a price increase affect total revenue?
For a good with unit-elastic demand (price elasticity of demand = 1), how does a price increase affect total revenue?
What is the price elasticity of demand if a price increase leads to a total revenue drop?
What is the price elasticity of demand if a price increase leads to a total revenue drop?
At a price of €1.10 and with inelastic demand, how much total revenue is generated when the quantity sold is 950?
At a price of €1.10 and with inelastic demand, how much total revenue is generated when the quantity sold is 950?
What happens to total revenue if the price of a good with elastic demand increases?
What happens to total revenue if the price of a good with elastic demand increases?
How is total revenue calculated using price and quantity sold?
How is total revenue calculated using price and quantity sold?
If the price elasticity of demand is less than 1, what type of demand is it considered?
If the price elasticity of demand is less than 1, what type of demand is it considered?
What is the total revenue when the price is set at €0.90 for 1,200 units with elastic demand?
What is the total revenue when the price is set at €0.90 for 1,200 units with elastic demand?
When demand is perfectly inelastic, what will happen to total revenue if the price increases?
When demand is perfectly inelastic, what will happen to total revenue if the price increases?
If the quantity sold at a price of €0.90 is 1,100, what is the total revenue?
If the quantity sold at a price of €0.90 is 1,100, what is the total revenue?
What does price elasticity of demand measure?
What does price elasticity of demand measure?
If the price of a vaccination rises from €20 to €21 and the quantity demanded falls from 10 million to 9.9 million, what is the percentage change in quantity demanded?
If the price of a vaccination rises from €20 to €21 and the quantity demanded falls from 10 million to 9.9 million, what is the percentage change in quantity demanded?
Using the information provided, what is the calculated price elasticity of demand based on the changes described?
Using the information provided, what is the calculated price elasticity of demand based on the changes described?
Why is the midpoint method preferred when calculating the price elasticity of demand?
Why is the midpoint method preferred when calculating the price elasticity of demand?
When calculating % change in price using the example given, what is the % change when price rises from €20 to €21?
When calculating % change in price using the example given, what is the % change when price rises from €20 to €21?
What formula is used to compute the average value in the midpoint method?
What formula is used to compute the average value in the midpoint method?
What issue does the midpoint method address when calculating price elasticity of demand?
What issue does the midpoint method address when calculating price elasticity of demand?
What does a price elasticity of demand of -0.2 indicate?
What does a price elasticity of demand of -0.2 indicate?
If the price of vaccinations increases by 5% and the quantity demanded decreases by 1%, what would the price elasticity of demand be?
If the price of vaccinations increases by 5% and the quantity demanded decreases by 1%, what would the price elasticity of demand be?
Which of the following best describes the quantity demanded in relation to price changes?
Which of the following best describes the quantity demanded in relation to price changes?
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Study Notes
Total Revenue
- Total revenue earned by a seller is calculated by multiplying price per unit by the total quantity sold
- Total revenue is influenced by both price and quantity sold
Elasticity and Total Revenue
- Price Elasticity of Demand measures the responsiveness of quantity demanded to changes in price
- Total revenue can be influenced by two opposing effects when price changes
- Price effect: Increasing price increases revenue per unit sold
- Quantity effect: Increasing price decreases total quantity sold
- The overall impact of price change on total revenue depends on the relative strength of these two effects
Effect of Price Increase on Total Revenue
- When demand is elastic, an increase in price leads to a decrease in total revenue (quantity effect dominates price effect)
- When demand is inelastic, an increase in price leads to an increase in total revenue(price effect dominates quantity effect)
- When demand is unit elastic, an increase in price has no impact on total revenue (price effect and quantity effect perfectly offset each other)
Price Elasticity of Demand
- Price Elasticity of Demand measures how much quantity demanded responds to price changes
- A more elastic demand curve implies a larger change in quantity demanded for a given price change
- Elasticity Rule: For two linear demand/supply curves passing through the same point, the flatter curve is more elastic
- The midpoint formula is used to calculate the price elasticity of demand and ensures consistent results regardless of the direction of the change
Interpreting Price Elasticity of Demand
- Perfectly inelastic demand means quantity demanded does not change with price changes, represented by a vertical demand curve
- Perfectly elastic demand means any price increase results in zero quantity demanded, represented by a horizontal demand curve
- Elastic demand means a percentage change in price leads to a larger percentage change in quantity demanded
- Inelastic demand means a percentage change in price leads to a smaller percentage change in quantity demanded
- Unit-elastic demand means a percentage change in price leads to an equal percentage change in quantity demanded
Estimating Elasticities
- Understanding price elasticity of demand is crucial for predicting market outcomes and for decision-making by producers.
- Economists and market analysts use various methods to estimate price elasticity of demand.
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