Unique Paper Code 6349
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Introductory MicroeconomicsDecember 2025, paper 6349

BA (Programme) · 8 questions · 12 parts still being checked

Duration: 3 HoursMaximum Marks: 90

Reworded by Kunji from the printed paper. The original paper belongs to the University of Delhi. See DU's question bank.

Before you start

  1. This paper. Attempt any five questions. All questions carry equal marks.
  2. Most asked here. Supply, demand and market equilibrium (8 papers), Games and strategic interaction (8 papers), Externalities (8 papers). These come back almost every year, so learn them first. The asked N× note beside each part counts the DU papers that set its topic.
  3. Pace. Two minutes a mark: about 36 minutes for each 18-mark question, with nothing spare in 3 hours. Move on when the time is up.
  4. Keep score. Every part opens a worked answer checked against the books. Turn the key when you have revised it; the boxes at the top fill in, on this device.

1.

18 marks
· ~36 min
(a)(i)
Scarcity, opportunity cost and the PPFBeing checked
(3)
(a)(ii)
Scarcity, opportunity cost and the PPFBeing checked
(3)
(b)The circular flow in a simple two-sector economyasked 5×Explain the circular flow diagram of a simple two sector…(4)
(c)Trade can make everyone better offasked 7דTrade can make everyone better off”. Give an example to prove it.(4)
(d)Opportunity cost: a thing costs what is given up for itasked 6דThe cost of something is what you give up in order to get it “, give an example to prove it.(4)

2.

18 marks
· ~36 min
(a)Price elasticity versus cross price elasticity of demandasked 7×Differentiative between the price elasticity of demand and the cross price elasticity of demand. Explain with an example.(6)
(b)Movement along a demand curve and shift of a demand curveasked 8×Explain the movement along the demand curve and the shift in the demand curve.(6)
(c)Quantity halves while revenue rises by a quarter: is demand elastic or inelastic?asked 7×A change in price causes the quantity demanded of a good to fall by 50 percent, while the total revenue from those good rises by 25 percent. Is the demand curve being elastic or inelastic?…(6)

3.

18 marks
· ~36 min
(a)
Tax incidence, deadweight loss and subsidiesBeing checked
(6)
(b)Does a rise in demand raise quantity demanded but not quantity supplied?asked 8דA rise in the demand for notebook raises the quantity of notebook demanded, though not the quantity supplied.” Is this statement true or is it false? Explain.(6)
(c)Giffen goods and inferior goodsasked 6×State whether each of the following statement is true or is false and why. Explain your answers. (i) “All the Giffen goods are inferior goods.” (ii) “All the inferior goods are Giffen goods.”(6)

4.

18 marks
· ~36 min
(a)What decides how a tax burden is shared between buyers and sellersasked 7×What determines how the burden of a tax gets divided between the buyers and the sellers? Why?(9)
(b)
Consumer and producer surplus, tariffs and quotasBeing checked
(9)

5.

18 marks
· ~36 min
(a)
Consumer choice: budget line and indifference curvesBeing checked
(8)
(b)
Indifference curves for perfect complements and perfect substitutesBeing checked
(5)
(c)
Supply, demand and market equilibriumBeing checked
(5)

6.

18 marks
· ~36 min
(a)
ExternalitiesBeing checked
(6)
(b)
The Coase theorem, with an exampleBeing checked
(6)
(c)
Pollution permits or corrective taxes for carbon emissions?Being checked
(6)

7.

18 marks
· ~36 min
(a)
Consumer choice: budget line and indifference curvesBeing checked
(9)
(b)
Consumer and producer surplus, tariffs and quotasBeing checked
(9)

8.

18 marks
· ~36 min
(a)Zero-sum gameasked 8×Write a brief note on each of the following, along with an example for each : (a) Zero sum game(6)
(b)Tragedy of the commonsasked 7×Write a brief note on each of the following, along with an example for each : (b) Tragedy of commons(6)
(c)Free rider problemasked 7×Write a brief note on each of the following, along with an example for each : (c) Free rider problem(6)

— End of the paper —