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Questions › IIT JAM › IIT JAM 2026 › Q52
2 marksMicroeconomics › Monopoly and price discrimination › Multi-plant and multi-product monopolyHardabout 3 min

IIT JAM 2026 Question 52: Monopoly and price discrimination

A firm has monopoly in production of two goods XXX and YYY. The markets do not interact. The profit function is π(x,y)=25x+13y−2.5x2−y2+xy−10\pi(x,y)=25x+13y-2.5x^2-y^2+xy-10π(x,y)=25x+13y−2.5x2−y2+xy−10, where xxx and yyy are quantities of XXX and YYY. The maximum profit is ________ (rounded off to one decimal place).

Answer and worked solution

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Plain-text version

A firm has monopoly in production of two goods X and Y. The markets do not interact. The profit function is π(x,y)=25x+13y-2.5x²-y²+xy-10, where x and y are quantities of X and Y. The maximum profit is (*rounded off to one decimal place*).

Also written as: A firm has monopoly in production of two goods X and Y. The markets do not interact. The profit function is pi(x,y)=25x+13y-2.5x^2-y^2+xy-10, where x and y are quantities of X and Y. The maximum profit is (*rounded off to one decimal place*).

Monopoly and price discrimination has come up 128 times in 7 exams since 2004.

What this question tests

This question is on Multi-plant and multi-product monopoly, part of Monopoly and price discrimination in Microeconomics.

How a monopolist allocates output across plants, markets or products.

TestStop has 9 past-paper questions on this subtopic; the nearest in year are below.

  • IIT JAM 2021 · Q53A firm has two plants with TC₁ = 500 + 30Q₁ and TC₂ = 1500 + 20Q₂. Demand is Q^d = 150 - P/3. The value of…
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Question from the IIT JAM 2026 paper. Solutions are TestStop's own. Not affiliated with or endorsed by any examination authority.