Which of the following is true for both perfect and monopolistic competition?

A) Firms produce a differentiated product.
B) Firms face a downward sloping demand curve.
C) Firms produce a homogeneous product.
D) There is freedom of entry and exit in the long run.

Differentiated Product

A product that has unique characteristics compared to other products in the market, often highlighted through branding and quality to compete on factors other than price.

Downward Sloping Demand

A fundamental principle in economics that suggests demand for a product decreases as the price increases, illustrated by a demand curve that slopes downwards from left to right.

Homogeneous Product

A Homogeneous Product is one that is seen as identical or very similar in nature, quality, and performance, regardless of the producer.