Elasticity of supply is a key economic concept used to measure how the quantity supplied of a product or service changes in response to a change in its price. It is crucial for businesses and policymakers alike in understanding market dynamics and making informed decisions. In this article, we will explore the concept of elasticity of supply and provide you with a step-by-step guide on how to calculate it.

Definition of Elasticity of Supply:

The elasticity of supply measures the responsiveness of the quantity supplied to a change in the price of a good or service. It indicates the percentage change in quantity supplied resulting from a 1% change in price. The elasticity of supply can be classified into three types – elastic, inelastic, and unitary elastic.

1. Elastic supply: When the percentage change in quantity supplied is greater than the percentage change in price, the supply is considered elastic.

2. Inelastic supply: When the percentage change in quantity supplied is less than the percentage change in price, the supply is considered inelastic.

3. Unitary elastic supply: When the percentage change in quantity supplied equals the percentage change in price, the supply is considered unitary elastic.

Steps to Calculate Elasticity of Supply:

To calculate elasticity of supply, follow these steps:

Step 1: Identify initial and new values for price and quantity

Determine both original and new price (P1 and P2) as well as original and new quantity supplied (Q1 and Q2) for your analysis.

Step 2: Calculate percentage change in quantity

Percentage change in quantity = [(Q2 – Q1) / Q1] x 100

Step 3: Calculate percentage change in price

Percentage change in price = [(P2 – P1) / P1] x 100

Step 4: Divide percentage change in quantity by percentage change in price

Elasticity of supply = (Percentage change in quantity) / (Percentage change in price)

Step 5: Interpret the result

Based on the value of the elasticity of supply, determine if the supply is elastic, inelastic, or unitary elastic.

Conclusion:

Understanding the elasticity of supply helps businesses make strategic decisions on production and pricing, while governments can use it to predict the effects of policy changes on industries. By following these steps, you will now be equipped to calculate elasticity of supply for any product or service and apply this valuable insight to your decision-making process.