Demand elasticity is a phenomenon where demand for a specific good or service changes depending on factors such as how it is priced, whether alternatives are available or local income trends.

Economists use elasticity of demand to gauge how responsive consumers are to changes in price and income, but investors can also use elasticity of demand to help make more informed investing decisions ...

In an important new study, world-renowned economists--including a Nobel Prize winner and a MacArthur "genius"--argue that when demand for a good is inelastic, the cost of making consumption illegal ...