inelasticity
(noun)
 The insensitivity of changes in a quantity with respect to changes in another quantity.
Examples of inelasticity in the following topics:
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Definition of Price Elasticity of Supply
- Supply is "perfectly inelastic."
 - Inelastic goods are often described as necessities.
 - Examples of inelastic goods would be water, gasoline, housing, and food.
 - The elasticity of a good will be labelled as perfectly elastic, relatively elastic, unit elastic, relatively inelastic, or perfectly inelastic.
 - Differentiate between the price elasticity of demand for elastic and inelastic goods
 
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Applications of Elasticities
- For inelastic demand, the overall supply and demand of a product is not substantially impacted by an increase in price.
 - Products that are usually inelastic consist of necessities like food, water, housing, and gasoline.
 - Whether or not a product is elastic or inelastic is directly related to consumer needs and preferences.
 - If demand is perfectly inelastic, then the same amount of the product will be purchased regardless of the price.
 - Give examples of inelastic and elastic supply in the real world
 
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Taxation Impact on Economic Output
- Because supply is inelastic, the firm will produce the same quantity no matter what the price.
 - Because production is inelastic, the amount sold changes significantly.
 - Consumption is inelastic, so the consumer will consume the same quantity no matter the price.
 - If one party is comparatively more inelastic than the other, they will pay the majority of the tax.
 - When supply is inelastic but demand is elastic, the majority of the tax is paid for by the consumer.
 
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Tax Incidence and Elasticity
- If a producer is inelastic, he will produce the same quantity no matter what the price.
 - Because the producer is inelastic, the price does not change much.
 - In general, the tax burden will be greater for the group exhibiting the greater relative inelasticity.
 - In a scenario with inelastic supply and elastic demand, the tax burden falls disproportionately on suppliers.
 
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Interpretations of Price Elasticity of Demand
- When PED is less than one, demand is inelastic.
 - The effect of price changes on total revenue PED may be important for businesses attempting to distinguish how to maximize revenue For example, if a business finds out its PED is very inelastic, it may want to raise its prices because it knows that it can sell its products for a higher price without losing many sales.
 - The second is perfectly inelastic demand.
 - Perfectly inelastic demand is graphed as a vertical line and indicates a price elasticity of zero at every point of the curve.
 - Perfectly inelastic demand is graphed as a vertical line.
 
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Defining Price Elasticity of Demand
- In general, the demand for a good is said to be inelastic (or relatively inelastic) when the PED is less than one (in absolute value): that is, changes in price have a less than proportional effect on the quantity of the good demanded.
 - A PED coefficient equal to zero indicates perfectly inelastic demand.
 - When demand is perfectly inelastic, quantity demanded for a good does not change in response to a change in price.
 
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Measuring the Price Elasticity of Supply
- When calculating the price elasticity of supply, economists determine whether the quantity supplied of a good is elastic or inelastic.
 - PES = 0: Supply is perfectly inelastic.
 
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Determinants of Price Elasticity of Demand
- Conversely, if no substitutes are available, demand for a good is more likely to be inelastic.
 - In contrast, demand will tend to be inelastic when a good represents only a negligible portion of the budget.
 - Brand loyalty: An attachment to a certain brand (either out of tradition or because of proprietary barriers) can override sensitivity to price changes, resulting in more inelastic demand.
 
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Tax Incidence, Efficiency, and Fairness
- If the product (apples) is price inelastic to the consumer (whereby if price rose, a small demand loss would be accounted for by the extra revenue), the farmer is able to pass the entire tax on to consumers of apples by raising the price by $1.
 - Tax incidence falls mostly upon the group that responds least to price (the group that has the most inelastic price-quantity curve).
 - If the demand curve is inelastic relative to the supply curve the tax will be disproportionately borne by the buyer rather than the seller.
 - In the example provided, the tax burden falls disproportionately on the party exhibiting relatively more inelasticity in the situation.
 
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Impact of Changing Price on Producer Surplus
- When supply is inelastic, producers cannot change production easily.
 - When supply is perfectly inelastic, it is depicted as a vertical line.