ECO 1104 Lecture Notes - Lecture 1: Normal Good, Breakfast Cereal, Sunscreen

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9 Oct 2016

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It is a numerical measure of the responsiveness of qd or qs to one of its determinants: determinants include the price of the good, prices of other goods, and income. The price elasticity of demand measures how much qd responds to a change in p. For computing the percentage change: end value start value /start value x 100. Determinants of demand price elasticity the good for which qd falls the most in percent will have the highest price elasticity of demand. With 20% increase in price breakfast because we have many other substitutes while sunscreen is a necessity in daily usage. The price elasticity of demand with be higher (lower) if close substitutes are (not) available if the good is narrowly (broadly) defined if the good is luxury (necessity) Higher p means more revenue on each unit you sell. If you sell fewer units (lower q) due to law of demand = less revenue.

Related Questions

interval (or arc) elasticity

cross-price elasticity

price elasticity of demand

elastic demand

income elasticity

inelastic demand

inframarginal units

marginal revenue

point elasticity

price effect

quantity effect

total revenue

unitary elastic demand

1. __________________ A measure of consumersâ sensitivity or responsiveness to changes in the price of a good or service.

2. ___________________ When the percentage change in price (in absolute value) is more than the percentage change in quantity demanded (in absolute value).

3. ___________________ When the percentage change in quantity demanded (in absolute value) is more than the percentage change in price (in absolute value).

4. ___________________ When the percentage change in quantity demanded (in absolute value) is just equal to the percentage change in price (in absolute value).

5. ___________________ Total amount paid to a producer for a good or service P * Q.

6. ___________________ The effect on total revenue of a change in price, holding quantity constant.

7. ___________________ The effect on total revenue of a change in quantity, holding price constant.

8. ___________________ An elasticity calculated over an interval of a demand curve or demand schedule.

9. ___________________ Elasticity at a specific price or point on a demand curve.

10. ___________________ A measure of how responsive quantity demanded is to a change in income, all other things constant.

11. ___________________ A measure showing how responsive the quantity demanded of one good is to changes in the price of another good, other factors constant.

12. ___________________ The additional revenue received by producing and selling one more unit of output.

13. ___________________ Units of output that could have been sold at a higher price had the firm not lowered its price to sell additional (marginal) units.

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Discussion #1

The law of demand states that a fall in the price of a good raises the quantity demanded, and the increase in price leads to a decrease in quantity demanded. The price elasticity of demand measures the responsiveness of the quantity demanded to a change in price. Demand for a good is said to be elastic if the quantity demanded responds substantially to changes in the price, and the percentage change in quantity demanded is greater than the percentage change in price. Demand is said to be inelastic if the quantity demanded responds only slightly to changes in the price, which indicates that the percentage in price is greater than the percentage in quantity demanded.

However, the extent of responsiveness of quantity demanded to a change in price depends on the nature of a particular good or service in the market. The price elasticity of demand partly depends on the availability of close substitutes. When a large number of substitutes are available, consumers respond to a higher price of a good by buying more of the substitute goods and less of the relatively more expensive good. In addition, goods or services that are considered necessities tend to have less elastic (more inelastic) demand, whereas goods or services that are considered luxuries have more elastic (less inelastic) demands.

Explain why the demand for the good or service provided by the organization you work for is elastic or inelastic. How does this influence pricing decisions?
Provide examples on how the availability of close substitutes affects price elasticity of demand.
Give specific examples of necessities or luxuries, and explain how they affect price elasticity of goods or services.

Please answer ALL bulletins and place the answers under the correct bulletin.

Please find the formula result to determine elasticity for gas. Assuming some numbers that assert let say; 5% decrease in quantity demanded, when prices increase by say 10%. Then it would be (Price Elasticity of Demand = % change in Q / % change in P) = ? Then Gas Elasticity = 5% / 10% = 0.50 That is less than one meaning inelastic by Economists among us.

Please explore the other four categories to be able to determine your chosen firm product (gasoline) elasticity in the same way. Please explain the determinants of elasticity in addition would tax on gasoline curb its negative externalities. .

ECO 1104 Lecture Notes - Lecture 1: Normal Good, Breakfast Cereal, Sunscreen

ECO 1104 Full Course Notes

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