-When an Oligopolistic Firm Advertises Its Products,its Demand Curve Shifts

Multiple Choice

-When an oligopolistic firm advertises its products,its demand curve shifts rightward because

A) its products are now cheaper.
B) other firms also advertise their products.
C) customers may switch brands in favour of the advertised products.
D) new customers who did not previously use the products may now purchase the advertised products.
E) customers may switch brands in favour of the advertised products,and new customers who did not previously use the products may now purchase the advertised products.