When elasticity is zero, the demand curve is_____________

  • A circular
  • B downward sloping
  • C perfectly inelastic
  • D concave
jamb 2018english-language

The correct answer is C. perfectly inelastic

Perfectly inelastic demand means that the quantity demanded does not change at all when the price changes and the demand curve is a vertical line.

This is the case for some essential goods or services, such as life-saving medicines, that people will buy regardless of the price.

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