The economic impact of a holiday fad is illustrated by

a. a negative result on the change in demand graph.

b. a flattening of the demand curve.

c. a sharp drop in the marginal product demand ratio.

d. a rapid shift to the right in a market demand curve

The economic impact of a holiday fad is illustrated by a a sharp drop in the flattening of the demand curve - b.

If we imagine how a demand curve will suddenly sharply rise when there is a holiday fad, we can also imagine how this curve will go back down with a flattening once there is an ending of the holiday fad.