Answer:
a. price falls, the demand curve moves inward
b. price falls, the demand curve moves inward
c, price rises, the demand curve moves outward
a. A change in people's taste for going to cinema would reduce the number of people going to movie rentals. As a result, the demand for movie rentals would reduce and move inward or leftward. As a result of the inward movement of the demand curve, supply would outstrip demand and prices would fall below $3.50
b. If a National DVD-rental chains opens nationwide, there would be a decrease in demand for DVD movie rentals. As a result, the demand for movie rentals would reduce and move inward or leftward and price falls
A rise in the price of downloading movies on the Internet would increase the cost of downloading movies. This would make people less interested in downloading movies. As a result, the demand for DVD movie rentals would increase. The demand curve would shift outward and price would rise as a result.
Step-by-step explanation:
Check the attached image for a graphical representation