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The quantity supplied does not respond to price changes when the elasticity is zero, indicating that the good is "fixed" in supply. Such goods sometimes lack a production component or are not manufactured, limiting short-term expansion opportunities.

similarly, when demand elasticity is zero, a change in price would not change quantity demanded. Such goods can be essentials such as life saving medicines.

In case of zero elasticity, the demand curve would be a straight line parallel to the y-axis instead of a downward sloping curve. This means, irrespective of the price level, the quantity would remain the same.

In case of a supply curve with zero elasticity, the supply curve would not be an upward sloping curve. Instead, it would be a straight line parallel to the y-axis or the vertical axis. This means even if the price increases, the quantity supplied would be the same.