Answer:
a. Decrease in demand
b. Increase in quantity demanded
c. Decrease in demand
d. Increase in demand
Step-by-step explanation:
A change in quantity demanded of any product is caused by change in its price while other factors are constant. On the other hand, a change in the demand is caused because of change in other factors while the price of the product remains constant.
a. Here, a wireless internet access service is a substitute for cable-based internet service. A decline in the price of substitute will cause consumers to prefer the cheaper substitute. As a result, the demand for cable-based service will decline.
b. With the decline in the price of cable-based service will lead to an increase in the quantity demanded.
c. A decrease in the income of the consumers would lead to a decline in the demand as the consumers will be able to afford less.
d. A shift in consumer's taste in favor of cable-based services will lead to an increase in demand as people will now prefer more of cable-based services.