Demand and marginal revenue curves are downward-sloping for monopolistically competition firms because: a. product differentiation allows each firm some degree of monopoly power.
<h3>What is product differentiation?</h3>
Product differentiation can be defined as what makes a product to different from another product which is why some producer tend to include a unique features in their so as to make their product distinct from that of others.
A monopolistic competitive firms can tend to face a downward - sloping demand curve based on the fact that it help to differentiate their product from that of others competitors.
Therefore the correct option is A.
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The complete question is:
Demand and marginal revenue curves are downward-sloping for monopolistically competition firms because...
a)product differentiation allows each firm some degree of monopoly power
b)there are a few large firms in the industry and they each act as a monopolist
c)mutual interdependence among all firms in the industry leads to collusion
d)each firm has to take the market price as given
