Question

 

What are the two approaches to profit maximization under perfect competition? If TR= 400Q -2Q², TC= 1800 +50Q + 3Q². Find the profit maximizing level of output for the firm.

03 Mar 2026
Answer :
Word Count : 652
In perfect competition, profit maximization can be explained using two important approaches. The first approach is the Total Revenue (TR) and Total Cost (TC) approach, and the second is the Marginal Revenue (MR) and Marginal Cost (MC) approach. Under perfect competition, a firm is a price taker because it cannot influence market price. Therefore, the price remains constant and marginal revenue is equal to the price of the product. Under the TR-TC approach, profit is maximized when the difference between total revenue and total cost is the greatest. Profit is calculated as π = TR − TC. The firm should choose that level of output where this difference is maximum. In graphical terms, this occurs where the vertical distance between TR and TC curves is the maximum. If TR is ____ __________ _________ _____ _______ __________ ________ _____ ________ _________ _____ _______.
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