This graph shows four demand curves between the competitive and monopoly prices.

• The vertical axis is labeled Price.

• The horizontal axis is labeled Quantity.

• The top line curving up on the vertical toward the top of the Price axis, is labeled Isoelastic.

• A second line, under the Isoelastic line and curving slightly less up toward the top of the Price axis is labeled AIDS.

• A third line, curving less again toward the top of the Price axis is labeled Logit.

• The final line, curving the least toward the Price axis, is labeled Linear.

• As quanitity decreases, price increases.

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