Question

How do firms use​ marketing? A firm might use marketing to A. identify the​ long-run equilibrium price where firms break even. B. shift the demand curve for their product to the left through advertising. C. reduce differentiation between their product and that produced by competitors. D. eliminate things that keep new firms from entering an industry. E. design their product.

Answer 1

Firms use marketing to eliminate things that keep new firms from entering an industry(D).

Explanation:

Marketing plays an important role in understanding the business.

• Firstly it determines the necessity of the market.
• Develops the market using new technique or expand the same market.
• Tries to understand the needs of the customer and works on the products based on their interest.
• Market should be dynamic that is the market should follow the trend and adopt various strategies to work properly.

Hence, theses are the roles of marketing. A proper marketing can increase sale as well as the good will of the firm.