Elasticity

Elasticity could mean:

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
Arc elasticity
Beta coefficient
Yield elasticity of bond value
Elasticity (mathematics), a mathematical definition of point elasticity
Elasticity (physics), continuum mechanics of bodies which deform reversibly under stress
 Elasticity, a comic book super power