Elasticity may refer to:

• Elasticity (physics), continuum mechanics of bodies which deform reversibly under stress

Various uses are derived from this physical sense of the term, especially in economics:

• Elasticity (economics), a general term for a ratio of change. For more specific economic forms of elasticity, see:
• Price elasticity of demand
• Price elasticity of supply
• Income elasticity of demand
• Cross elasticity of demand
• Output elasticity
• Elasticity of substitution
• Beta coefficient
• Yield elasticity of bond value
• Elasticity of a function, a mathematical definition of point elasticity
• Arc elasticity

See also

• Elastic
• Elasticity as a comic book super power.