BECC-131 · December 2024 · English

IGNOU BECC-131 December 2024 Previous Year Question Paper

PRINCIPLES OF MICROECONOMICS—I

Structured previous year question paper for BECC-131, December 2024 session.

Max marks: 100 · Questions: 13 · Sections: 3

Verified: 5 Aug 2026

BACHELOR OF ARTS (GENERAL)

(BAG) (ECONOMICS)

Term-End Examination

December, 2024

BECC-131 : PRINCIPLES OF

MICRO ECONOMICS-I

Time : 3 Hours Maximum Marks : 100

Note :

(i) Answer questions from each Section as

per instructions.

(ii) Section A : Answer any two questions

from this Section in about 500 words

each.

(iii) Section B : Answer any four questions

from this Section.

(iv) Section C : Distinguish between any

three from the following.

Section—A

Note : Answer any two questions from this Section

in about 500 words each. 2x20=40

Q1.(a) Explain the determinants of demand for a consumer. 10

(b) Find the cross price elasticity of demand. Are the goods substitutes or complements ? P Q

Q4.(a) Discuss the implications of price floor with the help of a diagram. 10

(b) What is price effect ? Show its decomposition of substitution effect and income effect for a normal good.

Q5.(a) What is an Isoquant ? Explain the characteristics of an isoquant. 10

(b) Using isoquant and isocost line, explain the producer’s equilibrium when the output is maximum for a given cost.

Q6.(a) Explain the relationship between the Average cost and the Marginal cost. 10

(b) “Long-run average cost curve is the envelope of the short-run total cost curves.” Explain with diagram.

Section—B

Note : Answer any four questions from this

Section. 4x12=48

Q7.What is a Production Possibility Curve ?

Q8.Explain its characteristics.

Q9.Explain the three stages of production in short-run, using law of variable proportions.

Q10.Why should a_ rational producer under competitive conditions produce in stage-II?

Q11.What are the determinants of elasticity of supply ? Explain the different types of elasticity of supply using diagram.

Q12.What are economies and diseconomies of scale ? Explain.

Q13.Explain law of equimarginal utility and law of diminishing marginal utility with the help of a diagram.

Q14.“The average cost curve is U-shaped while the average fixed cost curve is a_ rectangular hyperbola.” Explain with the help of a diagram.

Section—C

Q15.Distinguish between any three of the following pairs : 4x3=12

(6) Economic cost and Accounting cost Gi) Merit goods and Normal goods

(ii) Cardinal vs. Ordinal Utility Approach

(iv) Public us. Private goods

(v) Sunk cost vs. Fixed cost P Q