Perfectly Elastic Supply

Perfectly elastic supply is an idealized market condition in which producers will supply any quantity demanded at one fixed price, making the supply curve horizontal and price elasticity infinite. A tiny fall in price reduces quantity supplied to zero, whereas demand can expand without raising price as long as firms can meet it at the stated price. In microeconomics, this assumption represents highly competitive settings or a benchmark in which sellers are price takers and market quantity adjusts to shifts in demand. It helps clarify how equilibrium outcomes, production decisions, and policy effects differ when supply responds perfectly rather than being limited.

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Elasticity of Supply (ES)

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2024

The elasticity of supply measures how responsive the quantity supplied of a good or service is to changes in its price. When supply is elastic, a small change in price leads to a proportionally larger change in quantity supplied. This indicates suppliers can easily adjust their production levels in response to price fluctuations. Conversely, when supply is inelastic, changes in price result in relatively smaller changes in quantity supplied, suggesting that suppliers have less flexibility in...

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JoVE Business - Microeconomics

Long-run Supply Curve in Perfect Competition

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2024

In a perfectly competitive market within a constant-cost industry, the long-run supply curve is perfectly elastic. This means it's a straight horizontal line. This occurs because, in such markets, numerous firms are producing and selling identical products. As a result, no single firm can influence the market price by independently altering its output level. When firms produce at their lowest average total cost (ATC), they reach a state of efficiency, producing goods at the cheapest rate...

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JoVE Business - Microeconomics
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Degrees of Elasticity of Supply

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2024

The elasticity of supply (Es) comes in various degrees, each depicting how responsive the quantity supplied is to changes in price. Perfectly elastic supply occurs when even the slightest price change leads to an infinite change in quantity supplied. It is represented as a horizontal supply curve. Conversely, perfectly inelastic supply means the quantity supplied remains constant regardless of price changes. This is depicted as a vertical supply curve. When Es exceeds, supply is considered...

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JoVE Business - Microeconomics
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Factors Affecting Elasticity of Supply

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2024

The elasticity of supply (Es) is influenced by several factors that determine how responsive producers are to changes in price. Input availability plays a crucial role. When raw materials and labor are readily accessible, producers can swiftly adjust production levels, resulting in a more elastic supply. Time frame is another key factor. In the short run, it may be challenging for producers to adjust output, resulting in a less elastic supply. However, they can adapt quickly in the long run,...

Short-run Supply Curve in Perfect Competition

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2024

Consider a small enterprise engaged in producing and selling lemonade, operating in a market among numerous other firms with similar ventures. This enterprise, aiming to maximize profits without incurring losses, assesses its production costs to determine the optimal quantity of lemonade to produce. A crucial principle for this enterprise involves examining two critical cost aspects: the cost of producing an additional unit of lemonade, known as the marginal cost (MC), and the lowest cost at...

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