JNU SIS 2018 question paper

All 50 questions from the JNU SIS 2018 JNU MA Economics entrance paper. Open any question for the worked solution.

1. Q1Suppose AB = [5 4; -2 3] and B = [7 3; 2 1]. Find A.
2. Q2If the development process is characterized by what we have called 'modern sector enlargement', the relationship between GNP per capita and poverty…
3. Q3What is the distance between the vectors u = [3; 2; 1] and v = [2; -1; 2]?
4. Q4Child rearing involves costs and benefits to parents, and there are economic theories that show
5. Q5In how many years will a sum of money triple itself when it is invested at an interest rate of 3% with continuous compounding?
6. Q6In a fixed rent tenancy, risk is
7. Q7Which of the following must be true of a continuous function on (a, b)?
8. Q8Without adjusting for 'purchasing power parity', real GDP tends to understate income in developing economies by
9. Q9Find the rates of growth (rog) of variables X and Y when they are the following continuous functions of time t: I. X = t³ II. Y = Ae^(∫₀^t r′(s) ds)…
10. Q10An increase in the marginal propensity to import will
11. Q11Which of the following is a unit vector that is orthogonal (perpendicular) to the vector a = (1, -1, 2)?
12. Q12The rise in the equilibrium price and the reduction in equilibrium quantity demanded due to an imposition of a unit tax is higher
13. Q13Jai only consumes 2 goods, X and Y. Both goods have equal prices, which remain constant throughout. However, Jai's income keeps increasing. As his…
14. Q14Find the probability of a 4 turning up at least once in two tosses of a fair dice (with six faces marked 1 to 6).
15. Q15Good X is being produced by only one firm, firm A. Now, suppose a second firm, firm B enters the industry and starts producing good X. Firm B finds…
16. Q16Box 1 contains 3 red and 5 white balls, Box 2 contains 4 red and 2 white balls. A ball is chosen at random from Box 1 and transferred to Box 2. Then…
17. Q17A discriminating monopolist sells the same good in two segregated markets, Market 1 and Market 2. Denote the prices of the good in the two markets…
18. Q18A, B, C are independent events such that P(A) = 0.5, P(B) = 0.6, P(C) = 0.1. Then P(A^c ∩ B^c ∪ C) (where A^c and B^c are the complements of events…
19. Q19Suppose there are three people in a district with different marginal benefits from improved air quality. The marginal willingness to pay for…
20. Q20Suppose that X is a random variable with the following distribution function: F(x) = { 0; for x < 0; x/8; for 0 ≤ x < 1; (2 + x)/8; for 1 ≤ x < 2…
21. Q21A firm sells some output in a perfectly competitive market, where the price is 60 per unit, and some on a market in which it has a monopoly, with a…
22. Q22A random variable X has the following cumulative distribution function: F(x) = { 1 - e^(-x) - xe^(-x) for 0 ≤ x < ∞; 0 elsewhere } The mean and the…
23. Q23Given the utility function U(x₁, x₂) = x₂ + u(x₁), where u is an increasing function of x₁, the effect of a change in income (holding prices fixed)…
24. Q24Consider an IS-LM model. If the investment function is interest insensitive, then
25. Q25Let the cost function of a monopolist be given by C(Q) = cQ, where Q is output. Also let the monopolist face a linear demand function, P(Q) = A…
26. Q26An autonomous rise in the propensity to save (α) will lead to
27. Q27In the macro-model described in Question No. 26 above, an autonomous rise in the inducement to invest (β) will lead to
28. Q28Consider an amusement park. The park owner has a fixed cost T and a marginal cost of 0.50 per ride. Consumers have a demand curve Q = 10 - 2P. The…
29. Q29The paradox of thrift maintains that an economy's desire to save more
30. Q30Which of the following is true for a utility function of the form U(x₁, x₂) = x₂ + u(x₁) where u is an increasing function of x₁?
31. Q31Which of the following is true?
32. Q32In continuation of Question No. 31 above, suppose Amit can report his benefit from the public good as either 0 of 2/5, while Salim can report either…
33. Q33The value of the expenditure multiplier when marginal propensity to consume is 0· 8 and income tax rate is 0· 5 will be
34. Q34(I) Indirect taxes violate which of the three conditions of Pareto optimality and (II) the rebate to producers on the indirect taxes that they paid…
35. Q35An inflationary gap can be eliminated by
36. Q36Automatic fiscal stabilizers
37. Q37Within a fixed exchange rate system, the effect of an expansionary monetary policy action on the balance of payments will be to
38. Q38Assuming perfect capital mobility, the balance of payments (BP) schedule is
39. Q39A difference between the classical and new classical model is that
40. Q40A Keynesian consumption function differs from the permanent income hypothesis in that
41. Q41Which of the following series converges?
42. Q42The monetary authority can generate more money from a given increase in high-powered money by
43. Q43Which of the following is counted in GDP?
44. Q44The Pigou effect
45. Q45Informal lenders extend credit to the poor more often than formal lenders because
46. Q46With reference to the table below, it is correct to state that | Scenario I — US | Scenario I — Japan | Scenario II — US | Scenario II — Japan | Car…
47. Q47With trade, specialization in production is likely to be
48. Q48With reference to the table below, we can say that | Country—A | Country—B | Wheat (bushels/man-day) | 6 | 1 | Cloth (yards/man-day) | 2 | 12 |
49. Q49Under the Heckscher-Ohlin model, if a labour-abundant country engaged in free trade decides to impose an import tariff of 10%, then we would expect
50. Q50A country can increase its welfare by imposing an import tariff if