Answer:
There are a few factors that influence a shift in the demand curve, and some of them are income, trends, prices, expectations, structure of the population.
Explanation:
The change of the shift of the curve appears when the whole demand curve is moving to the left or the right.
This movement depends on the price if the other factors that influence the moving are stable. Everything else, except the price, will move the curve to the left or the right.
