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D 93976 Or (Pages : 2) வட்ட ப்பை sae

FIRST SEMESTER B.A/B.Sc. DEGREE EXAMINATION, NOVEMBER 2020

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(CBCSS)
Economics

ECO 1(2) CO1—INTRODUCTORY ECONOMICS—I

: Two Hours and a Half Maximum : 80 Marks

Section A (Short Answer Questions)

Answer at least ten questions.

Each question carries 3 marks.

All questions can be attended.
Overall Ceiling 30. >

What is Cross Demand ?
What is elasticity of demand ?
Explain Constant Returns to Scale.
Explain the relationship between Marginal Cost and Average Cost.
Why the demand curve slopes downwards ?
What are the determinants of demand ?
Distinguish Normal Goods and Inferior Goods.
Distinguish between substitution effect and income effect.
Explain the relevance of social science in contemporary society.
Explain the different degrees of price elasticity of demand.
What is incremental cost ?
What is Cardinal Utility Approach ?
Explain and make a graphical presentation of the law of diminishing marginal utility.
Distinguish between Fixed Costs and Variable Costs.
Explain the Say’s Law of market.
(10 x 3 = 30 marks)

Turn over