JNU SIS 2012 question paper

All 25 questions from the JNU SIS 2012 JNU MA Economics entrance paper. Open any question for the worked solution.

1. Q1The gain in producer surplus at the support price pₛ = 4 is
2. Q2For the problem in Q1, the change in consumer surplus of implementing support price is
3. Q3For the problem in Q1, the cost to the government of this policy is
4. Q4With regard to Q1, suppose now the government switches from price support policy to subsidy policy. For each unit of corn produced, the government…
5. Q5Which of the following will cause total revenue earned by cell phone producers to rise?
6. Q6Suppose the elasticity of demand for an iPod is -3· 5. This means that
7. Q7Any point outside the PPF (or PPC)
8. Q8If Britannia hires another worker, Britannia will be able to deliver an additional 20 packages an hour. The price of each package is Rs 5. The…
9. Q9If the total output of candles in Nick's Wicks shop increases from 20 per hour to 30 per hour as he hires the second worker, then
10. Q10Minimize y = x₁ + x₂ subject to 1 - x₁^(1/2) - x₂ = 0
11. Q11The function f: R → R defined by f(x) = (x² + 2x - 3)/(x² - x - 2) has
12. Q12The rank of the matrix C = AB, where A = [3 1 1; 1 2 1] and B = [4 5 0; 1 3 2; 2 0 6] is
13. Q13The probabilities that A and B speak the truth independently are p and q respectively. If they make the same statement, the probability that the…
14. Q14The probabilities of solving a problem by 3 students are 3/7, 3/8 and 1/3 respectively. If each one of them tries to solve it independently, then…
15. Q15The probability mass function p(x) of a random variable X is zero except at points X = 0, 1, 2 and 3. If C is a constant such that p(0) = C/2, p(1)…
16. Q16The mean daily profit of a shopkeeper in a month of 30 days was Rs 650. The mean profit for the first two weeks was Rs 575 and the mean profit for…
17. Q17The distribution of the number of printing mistakes per page of a book is Poisson with mean 3. Given that e⁻³ = 0.049787, the probability that there…
18. Q18The score of students in a certain examination is normally distributed with mean 46 and variance 400. Given Φ(· 8) = 0· 788, where Φ denotes the…
19. Q19Suppose equilibrium output is Y₀ and the price level is P₀ for an aggregate demand curve and a classical aggregate supply curve. A technological…
20. Q20Suppose equilibrium output is Y₀, which is below the full employment level, and the price level is P₀ for an aggregate demand and a Keynesian…
21. Q21Consider the following form of the IS-LM model, where expected inflation is zero (π^e = 0) and net exports (NX) are also zero: C = c₀ + c₁(Y - T) I…
22. Q22The optimal trade policy for a country is always
23. Q23The maximum amount of food and cloth that two countries A and B can produce using all of the factors of production in their respective countries…
24. Q24The table below gives the demand and supply schedules for computers in a small country: | Price per Computer ($) | Quantity Demanded | Quantity…
25. Q25If the marginal propensity to save is 0· 15 and the marginal propensity to import is 0· 05, then the multiplier effect on GDP is