elasticity of substitution

Feature image for “Elasticity of Substitution,” showing how different sigma values correspond to different isoquant shapes and input flexibility.

Microeconomics

Elasticity of Substitution: Measuring Input Flexibility

The elasticity of substitution measures how readily a firm swaps one input for another when relative prices change, governing factor...

May 26, 2026

Feature image for “Elasticity in Economics,” showing the four standard elasticity measures used to analyze demand, supply, cross-price relationships, income responses, and production flexibility.

Microeconomics

Elasticity in Economics: The Four Measures and How to Use Them

Elasticity in economics measures how strongly markets respond to changes in price, income, or related prices. Explains all five elasticities,...

May 26, 2026