In addition to the factors which can affect individual demand there are three factors that can affect market demand (cause the market demand curve to shift):* a change in the number of consumers,* a change in the distribution of tastes among consumers,* a change in the distribution of income among consumers with different tastes.
In addition to the factors which can affect individual demand there are three factors that can affect market demand (cause the market demand curve to shift):* a change in the number of consumers,* a change in the distribution of tastes among consumers,* a change in the distribution of income among consumers with different tastes.