To the right is a graph showing a demand shift for two different types of supply curves; S_I, a curve for an inelastically supplied good and S_E, a relatively elastic supply curve.

  Starting from the initial equilibrium price P* and quantity Q* with a demand shift from D₁ to D₂, at supply S_I the price increases to P₂ and the quantity increased to Q₂; a large increase in price and a modest increase in quantity.

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