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# 2001 Madurai Kamaraj University M.A Economics MICRO ECONOMICS Question paper

University Question Papers
2001 Madurai Kamaraj University M.A Economics MICRO ECONOMICS Question paper

ZAO Micro Economics - October 2001
M.A. DEGREE EXAMINATION, OCTOBER 2001
First Year
Branch III (a) and (c) - Economics
MICRO ECONOMICS

Time: Three hours
Maximum: 100 marks

All questions carry equal marks.

1. Describe Macro Model in Economics.

2. What are the basic principles of Marginal Utility?

3. Describe the revealed Preference Theory.

4. Explain the laws of returns.

5. Discuss the role of Elasticity of Substitution in Production.

6. Explain short run and long run equilibrium of firm.

7. How price is determined in Monopoly?

8. Describe the role of value judgment in Economics.

9. Explain the compensated Demand Curve.

10. Examine Ricardian theory of Distribution. _________________________

1. What is meant by correlation? What are the mathematical methods of measuring correlation? State the properties of correlation coefficient.

A : 3 5 8 4 7 10 2 1 6 9
B : 6 4 9 8 1 2 3 10 5 7

(b) The rankings of ten students in two subjects A and B are as above. Find the coefficient of rank correlation.

2. (a) Define the Linear Regression. Write down the equations of lines of regression. State the properties of regression coefficients.

(b) The following marks have been obtained by a class of students in Statistics (out of 100)

Paper I : 45 55 58 60 65
Paper II : 56 50 48 60 62 64
Paper I : 68 70 75 80 85
Paper II : 65 70 74 82 90
Find the equations of the lines of regression.

3. (a) Describe the methods of studying the association of attributes.
(b) Find whether any inconsistency is there in the below data:
N = 1200; [A] = 60; (AB) = 40; (B) = 50.

4. (a) What do you understand by interpolation? Distinguish between interpolation and extrapolation.

(b) Use one of the methods of interpolation to estimate the business done in 1970 from the following data :

Year : 1967 1968 1971 1972
(Rs. in lakhs) : 150 235 525 780

5. (a) Give an analytical report on Index Numbers.

(b) Describe the tests to be satisfied by a good Index Number.

6. (a) what are the components of a time-series? Describe.

(b) Explain the methods of measuring the trend.

7. (a) What are the factors to be taken into consideration while planning a sample survey?

(b) Describe the various methods of Enquiry.

8. (a) Define the conditional probability and state the Baye’s theorem.

(b) What is the probability of getting only one head in five tosses of a coin?

9. (a) Give the characteristics of the Binomial and Poisson distributions, with suitable examples.

(b) Describe the main features of the Normal distribution.

10. (a) Explain the following terms:

(i) Null hypothesis
(ii) Level of significance.
(b) Describe the test for testing the significant difference between the sample mean and population mean.